957978384 has 80 divisors (see below), whose sum is σ = 2716564224. Its totient is φ = 288489600.

The previous prime is 957978353. The next prime is 957978389. The reversal of 957978384 is 483879759.

It is a super-2 number, since 2×957978384² = 1835445168422502912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (957978389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80499 + ... + 91629.

Almost surely, 2^957978384 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 957978384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358282112).

957978384 is an abundant number, since it is smaller than the sum of its proper divisors (1758585840).

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

957978384 is a wasteful number, since it uses less digits than its factorization.

957978384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316 (or 11310 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 60.

The square root of 957978384 is about 30951.2258884846. The cubic root of 957978384 is about 985.7918800621.

The spelling of 957978384 in words is "nine hundred fifty-seven million, nine hundred seventy-eight thousand, three hundred eighty-four".