28153586814 has 16 divisors (see below), whose sum is σ = 59619360528. Its totient is φ = 8832497792.

The previous prime is 28153586807. The next prime is 28153586821. The reversal of 28153586814 is 41868535182.

It is an interprime number because it is at equal distance from previous prime (28153586807) and next prime (28153586821).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138007677 + ... + 138007880.

It is an arithmetic number, because the mean of its divisors is an integer number (3726210033).

Almost surely, 2^28153586814 is an apocalyptic number.

28153586814 is an abundant number, since it is smaller than the sum of its proper divisors (31465773714).

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

28153586814 is a wasteful number, since it uses less digits than its factorization.

28153586814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276015579.

The product of its digits is 1843200, while the sum is 51.

The spelling of 28153586814 in words is "twenty-eight billion, one hundred fifty-three million, five hundred eighty-six thousand, eight hundred fourteen".