977960995 has 8 divisors (see below), whose sum is σ = 1280239920. Its totient is φ = 711244320.

The previous prime is 977960983. The next prime is 977961037. The reversal of 977960995 is 599069779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 977960995 - 2²⁵ = 944406563 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8890500 + ... + 8890609.

It is an arithmetic number, because the mean of its divisors is an integer number (160029990).

Almost surely, 2^977960995 is an apocalyptic number.

977960995 is a deficient number, since it is larger than the sum of its proper divisors (302278925).

977960995 is a wasteful number, since it uses less digits than its factorization.

977960995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17781125.

The product of its (nonzero) digits is 9644670, while the sum is 61.

The square root of 977960995 is about 31272.3679148222. The cubic root of 977960995 is about 992.5990257075.

The spelling of 977960995 in words is "nine hundred seventy-seven million, nine hundred sixty thousand, nine hundred ninety-five".