83607440788 has 12 divisors (see below), whose sum is σ = 146566600852. Its totient is φ = 41731269120.

The previous prime is 83607440773. The next prime is 83607440797. The reversal of 83607440788 is 88704470638.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82152170884 + 1455269904 = 286622^2 + 38148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18110223 + ... + 18114838.

Almost surely, 2^83607440788 is an apocalyptic number.

It is an amenable number.

83607440788 is a deficient number, since it is larger than the sum of its proper divisors (62959160064).

83607440788 is a wasteful number, since it uses less digits than its factorization.

83607440788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36225642 (or 36225640 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 83607440788 in words is "eighty-three billion, six hundred seven million, four hundred forty thousand, seven hundred eighty-eight".