28485080 has 32 divisors (see below), whose sum is σ = 69022800. Its totient is φ = 10517376.

The previous prime is 28485071. The next prime is 28485089. The reversal of 28485080 is 8058482.

28485080 = T₃₅ + T₃₆ + ... + T₅₅₄.

It is an interprime number because it is at equal distance from previous prime (28485071) and next prime (28485089).

It is a super-2 number, since 2×28485080² = 1622799565212800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28485080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28485089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26870 + ... + 27909.

Almost surely, 2^28485080 is an apocalyptic number.

28485080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28485080 is an abundant number, since it is smaller than the sum of its proper divisors (40537720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28485080 is a wasteful number, since it uses less digits than its factorization.

28485080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54803 (or 54799 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 28485080 is about 5337.1415570509. The cubic root of 28485080 is about 305.4024249910.

The spelling of 28485080 in words is "twenty-eight million, four hundred eighty-five thousand, eighty".