83751862272 has 128 divisors (see below), whose sum is σ = 240518168520. Its totient is φ = 25769803776.

The previous prime is 83751862211. The next prime is 83751862273. The reversal of 83751862272 is 27226815738.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (2257920) is a multiple of the sum of its prime divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83751862273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6442450938 + ... + 6442450950.

Almost surely, 2^83751862272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83751862272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120259084260).

83751862272 is an abundant number, since it is smaller than the sum of its proper divisors (156766306248).

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

83751862272 is an frugal number, since it uses more digits than its factorization.

83751862272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 18 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 83751862272 in words is "eighty-three billion, seven hundred fifty-one million, eight hundred sixty-two thousand, two hundred seventy-two".