85700535044 has 36 divisors (see below), whose sum is σ = 160879851468. Its totient is φ = 39929457600.

The previous prime is 85700535029. The next prime is 85700535071. The reversal of 85700535044 is 44053500758.

It can be written as a sum of positive squares in 2 ways, for example, as 35025122500 + 50675412544 = 187150^2 + 225112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85700534992 and 85700535010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398387 + ... + 574554.

It is an arithmetic number, because the mean of its divisors is an integer number (4468884763).

Almost surely, 2^85700535044 is an apocalyptic number.

It is an amenable number.

85700535044 is a deficient number, since it is larger than the sum of its proper divisors (75179316424).

85700535044 is a wasteful number, since it uses less digits than its factorization.

85700535044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973044 (or 973023 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 85700535044 in words is "eighty-five billion, seven hundred million, five hundred thirty-five thousand, forty-four".