85650005658 has 64 divisors (see below), whose sum is σ = 197801533440. Its totient is φ = 24217896000.

The previous prime is 85650005621. The next prime is 85650005687.

85650005658 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14245873 + ... + 14251883.

It is an arithmetic number, because the mean of its divisors is an integer number (3090648960).

Almost surely, 2^85650005658 is an apocalyptic number.

85650005658 is an abundant number, since it is smaller than the sum of its proper divisors (112151527782).

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

85650005658 is a wasteful number, since it uses less digits than its factorization.

85650005658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483.

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 85650005658 in words is "eighty-five billion, six hundred fifty million, five thousand, six hundred fifty-eight".