83634876612 has 72 divisors (see below), whose sum is σ = 241668912576. Its totient is φ = 23890037184.

The previous prime is 83634876607. The next prime is 83634876617. The reversal of 83634876612 is 21667843638.

It is an interprime number because it is at equal distance from previous prime (83634876607) and next prime (83634876617).

It is not an unprimeable number, because it can be changed into a prime (83634876617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095303 + ... + 1169169.

Almost surely, 2^83634876612 is an apocalyptic number.

It is an amenable number.

83634876612 is an abundant number, since it is smaller than the sum of its proper divisors (158034035964).

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

83634876612 is a wasteful number, since it uses less digits than its factorization.

83634876612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78377 (or 78372 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 83634876612 in words is "eighty-three billion, six hundred thirty-four million, eight hundred seventy-six thousand, six hundred twelve".