85990906396 has 12 divisors (see below), whose sum is σ = 153323408952. Its totient is φ = 42184218128.

The previous prime is 85990906367. The next prime is 85990906427. The reversal of 85990906396 is 69360909958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202808530 + ... + 202808953.

It is an arithmetic number, because the mean of its divisors is an integer number (12776950746).

Almost surely, 2^85990906396 is an apocalyptic number.

It is an amenable number.

85990906396 is a deficient number, since it is larger than the sum of its proper divisors (67332502556).

85990906396 is a wasteful number, since it uses less digits than its factorization.

85990906396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405617540 (or 405617538 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 64.

The spelling of 85990906396 in words is "eighty-five billion, nine hundred ninety million, nine hundred six thousand, three hundred ninety-six".