77676712 has 64 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 35305920.

The previous prime is 77676707. The next prime is 77676733. The reversal of 77676712 is 21767677.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592887 + ... + 593017.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^77676712 is an apocalyptic number.

It is an amenable number.

77676712 is an abundant number, since it is smaller than the sum of its proper divisors (81990488).

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

77676712 is a wasteful number, since it uses less digits than its factorization.

77676712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its digits is 172872, while the sum is 43.

The square root of 77676712 is about 8813.4392832764. The cubic root of 77676712 is about 426.6747519084.

The spelling of 77676712 in words is "seventy-seven million, six hundred seventy-six thousand, seven hundred twelve".