85022657013 has 32 divisors (see below), whose sum is σ = 133385739520. Its totient is φ = 47155530240.

The previous prime is 85022657009. The next prime is 85022657021. The reversal of 85022657013 is 31075622058.

It is not a de Polignac number, because 85022657013 - 2² = 85022657009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85022659013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184023 + ... + 451563.

It is an arithmetic number, because the mean of its divisors is an integer number (4168304360).

Almost surely, 2^85022657013 is an apocalyptic number.

It is an amenable number.

85022657013 is a deficient number, since it is larger than the sum of its proper divisors (48363082507).

85022657013 is a wasteful number, since it uses less digits than its factorization.

85022657013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267997.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 85022657013 in words is "eighty-five billion, twenty-two million, six hundred fifty-seven thousand, thirteen".