85502474868 has 24 divisors (see below), whose sum is σ = 199510648960. Its totient is φ = 28500128640.

The previous prime is 85502474801. The next prime is 85502474873. The reversal of 85502474868 is 86847420558.

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, 735573 + ... + 843843.

Almost surely, 2^85502474868 is an apocalyptic number.

It is an amenable number.

85502474868 is an abundant number, since it is smaller than the sum of its proper divisors (114008174092).

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

85502474868 is a wasteful number, since it uses less digits than its factorization.

85502474868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174087 (or 174085 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 57.

The spelling of 85502474868 in words is "eighty-five billion, five hundred two million, four hundred seventy-four thousand, eight hundred sixty-eight".