975081892 has 6 divisors (see below), whose sum is σ = 1706393318. Its totient is φ = 487540944.

The previous prime is 975081871. The next prime is 975081907. The reversal of 975081892 is 298180579.

It can be written as a sum of positive squares in only one way, i.e., 754381156 + 220700736 = 27466^2 + 14856^2 .

It is a super-2 number, since 2×975081892² = 1901569392212599328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121885233 + ... + 121885240.

Almost surely, 2^975081892 is an apocalyptic number.

It is an amenable number.

975081892 is a deficient number, since it is larger than the sum of its proper divisors (731311426).

975081892 is a wasteful number, since it uses less digits than its factorization.

975081892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243770477 (or 243770475 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 975081892 is about 31226.3012859352. The cubic root of 975081892 is about 991.6240025459.

The spelling of 975081892 in words is "nine hundred seventy-five million, eighty-one thousand, eight hundred ninety-two".