85700535040 has 72 divisors (see below), whose sum is σ = 207586350720. Its totient is φ = 33894998016.

The previous prime is 85700535029. The next prime is 85700535071. The reversal of 85700535040 is 4053500758.

It is a super-2 number, since 2×85700535040² (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 7 ways as a sum of consecutive naturals, for example, 262224 + ... + 490063.

It is an arithmetic number, because the mean of its divisors is an integer number (2883143760).

Almost surely, 2^85700535040 is an apocalyptic number.

85700535040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85700535040 is an abundant number, since it is smaller than the sum of its proper divisors (121885815680).

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

85700535040 is an equidigital number, since it uses as much as digits as its factorization.

85700535040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752397 (or 752383 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 85700535040 in words is "eighty-five billion, seven hundred million, five hundred thirty-five thousand, forty".