85700534986 has 32 divisors (see below), whose sum is σ = 143252478720. Its totient is φ = 38117587200.

The previous prime is 85700534957. The next prime is 85700534999. The reversal of 85700534986 is 68943500758.

It is a super-2 number, since 2×85700534986² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9269326 + ... + 9278566.

It is an arithmetic number, because the mean of its divisors is an integer number (4476639960).

Almost surely, 2^85700534986 is an apocalyptic number.

85700534986 is a deficient number, since it is larger than the sum of its proper divisors (57551943734).

85700534986 is a wasteful number, since it uses less digits than its factorization.

85700534986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18270.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 85700534986 in words is "eighty-five billion, seven hundred million, five hundred thirty-four thousand, nine hundred eighty-six".