83697133992 has 128 divisors (see below), whose sum is σ = 215943477120. Its totient is φ = 27016704000.

The previous prime is 83697133931. The next prime is 83697134009. The reversal of 83697133992 is 29933179638.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101944942 + ... + 101945762.

It is an arithmetic number, because the mean of its divisors is an integer number (1687058415).

Almost surely, 2^83697133992 is an apocalyptic number.

83697133992 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83697133992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107971738560).

83697133992 is an abundant number, since it is smaller than the sum of its proper divisors (132246343128).

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

83697133992 is a wasteful number, since it uses less digits than its factorization.

83697133992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1511 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 60.

The spelling of 83697133992 in words is "eighty-three billion, six hundred ninety-seven million, one hundred thirty-three thousand, nine hundred ninety-two".