85646426132 has 24 divisors (see below), whose sum is σ = 152071137792. Its totient is φ = 42198156000.

The previous prime is 85646426081. The next prime is 85646426147. The reversal of 85646426132 is 23162464658.

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, 476798 + ... + 631370.

It is an arithmetic number, because the mean of its divisors is an integer number (6336297408).

Almost surely, 2^85646426132 is an apocalyptic number.

It is an amenable number.

85646426132 is a deficient number, since it is larger than the sum of its proper divisors (66424711660).

85646426132 is a wasteful number, since it uses less digits than its factorization.

85646426132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156599 (or 156597 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The spelling of 85646426132 in words is "eighty-five billion, six hundred forty-six million, four hundred twenty-six thousand, one hundred thirty-two".