83957359530 has 64 divisors (see below), whose sum is σ = 220931618688. Its totient is φ = 20249967360.

The previous prime is 83957359523. The next prime is 83957359531. The reversal of 83957359530 is 3595375938.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83957359531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580717 + ... + 710736.

It is an arithmetic number, because the mean of its divisors is an integer number (3452056542).

Almost surely, 2^83957359530 is an apocalyptic number.

83957359530 is an abundant number, since it is smaller than the sum of its proper divisors (136974259158).

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

83957359530 is a wasteful number, since it uses less digits than its factorization.

83957359530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291671.

The product of its (nonzero) digits is 15309000, while the sum is 57.

The spelling of 83957359530 in words is "eighty-three billion, nine hundred fifty-seven million, three hundred fifty-nine thousand, five hundred thirty".