83772489360 has 120 divisors (see below), whose sum is σ = 302093896896. Its totient is φ = 19147994880.

The previous prime is 83772489343. The next prime is 83772489431. The reversal of 83772489360 is 6398427738.

It is a tau number, because it is divible by the number of its divisors (120).

It is a self number, because there is not a number n which added to its sum of digits gives 83772489360.

It is an unprimeable number.

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, 3549996 + ... + 3573515.

Almost surely, 2^83772489360 is an apocalyptic number.

83772489360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83772489360 is an abundant number, since it is smaller than the sum of its proper divisors (218321407536).

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

83772489360 is a wasteful number, since it uses less digits than its factorization.

83772489360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123541 (or 7123528 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 83772489360 in words is "eighty-three billion, seven hundred seventy-two million, four hundred eighty-nine thousand, three hundred sixty".