84132372957 has 16 divisors (see below), whose sum is σ = 119037703680. Its totient is φ = 52740310832.

The previous prime is 84132372949. The next prime is 84132372979. The reversal of 84132372957 is 75927323148.

It is a cyclic number.

It is not a de Polignac number, because 84132372957 - 2³ = 84132372949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84132372917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10329063 + ... + 10337204.

It is an arithmetic number, because the mean of its divisors is an integer number (7439856480).

Almost surely, 2^84132372957 is an apocalyptic number.

It is an amenable number.

84132372957 is a deficient number, since it is larger than the sum of its proper divisors (34905330723).

84132372957 is a wasteful number, since it uses less digits than its factorization.

84132372957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20666352.

The product of its digits is 2540160, while the sum is 51.

The spelling of 84132372957 in words is "eighty-four billion, one hundred thirty-two million, three hundred seventy-two thousand, nine hundred fifty-seven".