85549934028 has 24 divisors (see below), whose sum is σ = 214971629488. Its totient is φ = 26323056576.

The previous prime is 85549934017. The next prime is 85549934039. The reversal of 85549934028 is 82043994558.

It is an interprime number because it is at equal distance from previous prime (85549934017) and next prime (85549934039).

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, 274198351 + ... + 274198662.

Almost surely, 2^85549934028 is an apocalyptic number.

It is an amenable number.

85549934028 is an abundant number, since it is smaller than the sum of its proper divisors (129421695460).

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

85549934028 is a wasteful number, since it uses less digits than its factorization.

85549934028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548397033 (or 548397031 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 85549934028 in words is "eighty-five billion, five hundred forty-nine million, nine hundred thirty-four thousand, twenty-eight".