1957996976 has 20 divisors (see below), whose sum is σ = 4085436432. Its totient is φ = 903690816.

The previous prime is 1957996961. The next prime is 1957996979. The reversal of 1957996976 is 6796997591.

It is not an unprimeable number, because it can be changed into a prime (1957996979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4706516 + ... + 4706931.

Almost surely, 2^1957996976 is an apocalyptic number.

1957996976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1957996976 is an abundant number, since it is smaller than the sum of its proper divisors (2127439456).

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

1957996976 is a wasteful number, since it uses less digits than its factorization.

1957996976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413468 (or 9413462 counting only the distinct ones).

The product of its digits is 57868020, while the sum is 68.

The square root of 1957996976 is about 44249.2596096251. The cubic root of 1957996976 is about 1251.0384918688.

The spelling of 1957996976 in words is "one billion, nine hundred fifty-seven million, nine hundred ninety-six thousand, nine hundred seventy-six".