83950964564 has 24 divisors (see below), whose sum is σ = 147135813888. Its totient is φ = 41912212320.

The previous prime is 83950964507. The next prime is 83950964609. The reversal of 83950964564 is 46546905938.

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, 8417909 + ... + 8427875.

It is an arithmetic number, because the mean of its divisors is an integer number (6130658912).

Almost surely, 2^83950964564 is an apocalyptic number.

It is an amenable number.

83950964564 is a deficient number, since it is larger than the sum of its proper divisors (63184849324).

83950964564 is a wasteful number, since it uses less digits than its factorization.

83950964564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935 (or 12933 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 83950964564 in words is "eighty-three billion, nine hundred fifty million, nine hundred sixty-four thousand, five hundred sixty-four".