977284972 has 12 divisors (see below), whose sum is σ = 1710818536. Its totient is φ = 488479680.

The previous prime is 977284963. The next prime is 977284993. The reversal of 977284972 is 279482779.

It is a happy number.

It is a super-3 number, since 3×977284972³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26658 + ... + 51625.

Almost surely, 2^977284972 is an apocalyptic number.

It is an amenable number.

977284972 is a deficient number, since it is larger than the sum of its proper divisors (733533564).

977284972 is a wasteful number, since it uses less digits than its factorization.

977284972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81408 (or 81406 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 55.

The square root of 977284972 is about 31261.5574148186. The cubic root of 977284972 is about 992.3702591038.

The spelling of 977284972 in words is "nine hundred seventy-seven million, two hundred eighty-four thousand, nine hundred seventy-two".