82945080 has 64 divisors (see below), whose sum is σ = 276487200. Its totient is φ = 22118400.

The previous prime is 82945067. The next prime is 82945087. The reversal of 82945080 is 8054928.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82945087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37321 + ... + 39480.

Almost surely, 2^82945080 is an apocalyptic number.

It is an amenable number.

82945080 is an abundant number, since it is smaller than the sum of its proper divisors (193542120).

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

82945080 is a wasteful number, since it uses less digits than its factorization.

82945080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76821 (or 76811 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 82945080 is about 9107.4189537981. The cubic root of 82945080 is about 436.1108351054.

The spelling of 82945080 in words is "eighty-two million, nine hundred forty-five thousand, eighty".