85731022606 has 16 divisors (see below), whose sum is σ = 130022278848. Its totient is φ = 42391260000.

The previous prime is 85731022529. The next prime is 85731022681. The reversal of 85731022606 is 60622013758.

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, 76470 + ... + 421081.

It is an arithmetic number, because the mean of its divisors is an integer number (8126392428).

Almost surely, 2^85731022606 is an apocalyptic number.

85731022606 is a deficient number, since it is larger than the sum of its proper divisors (44291256242).

85731022606 is a wasteful number, since it uses less digits than its factorization.

85731022606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498507.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 85731022606 in words is "eighty-five billion, seven hundred thirty-one million, twenty-two thousand, six hundred six".