83134657992 has 16 divisors (see below), whose sum is σ = 207836645040. Its totient is φ = 27711552656.

The previous prime is 83134657973. The next prime is 83134657993. The reversal of 83134657992 is 29975643138.

It is a super-2 number, since 2×83134657992² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83134657993) by changing a digit.

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, 1731972018 + ... + 1731972065.

It is an arithmetic number, because the mean of its divisors is an integer number (12989790315).

Almost surely, 2^83134657992 is an apocalyptic number.

It is an amenable number.

83134657992 is an abundant number, since it is smaller than the sum of its proper divisors (124701987048).

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

83134657992 is a wasteful number, since it uses less digits than its factorization.

83134657992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463944092 (or 3463944088 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 83134657992 in words is "eighty-three billion, one hundred thirty-four million, six hundred fifty-seven thousand, nine hundred ninety-two".