957999980844 has 96 divisors (see below), whose sum is σ = 2523733632000. Its totient is φ = 314214234048.

The previous prime is 957999980779. The next prime is 957999980851. The reversal of 957999980844 is 448089999759.

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, 2308267 + ... + 2691485.

It is an arithmetic number, because the mean of its divisors is an integer number (26288892000).

Almost surely, 2^957999980844 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 957999980844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261866816000).

957999980844 is an abundant number, since it is smaller than the sum of its proper divisors (1565733651156).

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

957999980844 is a wasteful number, since it uses less digits than its factorization.

957999980844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383604 (or 383596 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 81.

The spelling of 957999980844 in words is "nine hundred fifty-seven billion, nine hundred ninety-nine million, nine hundred eighty thousand, eight hundred forty-four".