977813116 has 12 divisors (see below), whose sum is σ = 1955626288. Its totient is φ = 419062752.

The previous prime is 977813107. The next prime is 977813143. The reversal of 977813116 is 611318779.

It is a happy number.

977813116 is an admirable number.

It is a super-2 number, since 2×977813116² = 1912236979643258912, which contains 22 as substring.

It is a congruent number.

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, 17460921 + ... + 17460976.

Almost surely, 2^977813116 is an apocalyptic number.

It is an amenable number.

977813116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

977813116 is a wasteful number, since it uses less digits than its factorization.

977813116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34921908 (or 34921906 counting only the distinct ones).

The product of its digits is 63504, while the sum is 43.

The square root of 977813116 is about 31270.0034537894. The cubic root of 977813116 is about 992.5489923725.

The spelling of 977813116 in words is "nine hundred seventy-seven million, eight hundred thirteen thousand, one hundred sixteen".