85502678528 has 40 divisors (see below), whose sum is σ = 171826042608. Its totient is φ = 42504177664.

The previous prime is 85502678507. The next prime is 85502678533. The reversal of 85502678528 is 82587620558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394076 + ... + 571227.

Almost surely, 2^85502678528 is an apocalyptic number.

It is an amenable number.

85502678528 is an abundant number, since it is smaller than the sum of its proper divisors (86323364080).

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

85502678528 is an equidigital number, since it uses as much as digits as its factorization.

85502678528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965494 (or 965478 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 56.

The spelling of 85502678528 in words is "eighty-five billion, five hundred two million, six hundred seventy-eight thousand, five hundred twenty-eight".