85690501356 has 24 divisors (see below), whose sum is σ = 208637743104. Its totient is φ = 27321609040.

The previous prime is 85690501343. The next prime is 85690501397. The reversal of 85690501356 is 65310509658.

It is a happy 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, 155236140 + ... + 155236691.

It is an arithmetic number, because the mean of its divisors is an integer number (8693239296).

Almost surely, 2^85690501356 is an apocalyptic number.

It is an amenable number.

85690501356 is an abundant number, since it is smaller than the sum of its proper divisors (122947241748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85690501356 is a wasteful number, since it uses less digits than its factorization.

85690501356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310472861 (or 310472859 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 85690501356 in words is "eighty-five billion, six hundred ninety million, five hundred one thousand, three hundred fifty-six".