975891963 has 32 divisors (see below), whose sum is σ = 1389648960. Its totient is φ = 608061440.

The previous prime is 975891949. The next prime is 975891971. The reversal of 975891963 is 369198579.

It is a cyclic number.

It is not a de Polignac number, because 975891963 - 2²² = 971697659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (975896963) 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, 487681 + ... + 489677.

It is an arithmetic number, because the mean of its divisors is an integer number (43426530).

Almost surely, 2^975891963 is an apocalyptic number.

975891963 is a deficient number, since it is larger than the sum of its proper divisors (413756997).

975891963 is a wasteful number, since it uses less digits than its factorization.

975891963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207.

The product of its digits is 3674160, while the sum is 57.

The square root of 975891963 is about 31239.2695657245. The cubic root of 975891963 is about 991.8985311119.

The spelling of 975891963 in words is "nine hundred seventy-five million, eight hundred ninety-one thousand, nine hundred sixty-three".