76861976 has 8 divisors (see below), whose sum is σ = 144116220. Its totient is φ = 38430984.

The previous prime is 76861969. The next prime is 76861991. The reversal of 76861976 is 67916867.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4803866 + ... + 4803881.

Almost surely, 2^76861976 is an apocalyptic number.

It is an amenable number.

76861976 is a deficient number, since it is larger than the sum of its proper divisors (67254244).

76861976 is a wasteful number, since it uses less digits than its factorization.

76861976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607753 (or 9607749 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 76861976 is about 8767.0962125438. The cubic root of 76861976 is about 425.1777360406.

The spelling of 76861976 in words is "seventy-six million, eight hundred sixty-one thousand, nine hundred seventy-six".