85685757038 has 16 divisors (see below), whose sum is σ = 146893655904. Its totient is φ = 36721520640.

The previous prime is 85685757019. The next prime is 85685757061. The reversal of 85685757038 is 83075758658.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 917798 + ... + 1006838.

It is an arithmetic number, because the mean of its divisors is an integer number (9180853494).

Almost surely, 2^85685757038 is an apocalyptic number.

85685757038 is a deficient number, since it is larger than the sum of its proper divisors (61207898866).

85685757038 is a wasteful number, since it uses less digits than its factorization.

85685757038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157787.

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 85685757038 in words is "eighty-five billion, six hundred eighty-five million, seven hundred fifty-seven thousand, thirty-eight".