83772717696 has 64 divisors (see below), whose sum is σ = 247245878400. Its totient is φ = 27924238080.

The previous prime is 83772717683. The next prime is 83772717719. The reversal of 83772717696 is 69671727738.

83772717696 is a `hidden beast` number, since 8 + 377 + 2 + 7 + 176 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

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, 12116440 + ... + 12123351.

It is an arithmetic number, because the mean of its divisors is an integer number (3863216850).

Almost surely, 2^83772717696 is an apocalyptic number.

It is an amenable number.

83772717696 is an abundant number, since it is smaller than the sum of its proper divisors (163473160704).

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

83772717696 is a wasteful number, since it uses less digits than its factorization.

83772717696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24239814 (or 24239796 counting only the distinct ones).

The product of its digits is 37340352, while the sum is 63.

The spelling of 83772717696 in words is "eighty-three billion, seven hundred seventy-two million, seven hundred seventeen thousand, six hundred ninety-six".