77147116 has 18 divisors (see below), whose sum is σ = 137956868. Its totient is φ = 37748520.

The previous prime is 77147113. The next prime is 77147149. The reversal of 77147116 is 61174177.

It is not an unprimeable number, because it can be changed into a prime (77147111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4471 + ... + 13201.

Almost surely, 2^77147116 is an apocalyptic number.

It is an amenable number.

77147116 is a deficient number, since it is larger than the sum of its proper divisors (60809752).

77147116 is a wasteful number, since it uses less digits than its factorization.

77147116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829 (or 8780 counting only the distinct ones).

The product of its digits is 8232, while the sum is 34.

The square root of 77147116 is about 8783.3430992988. The cubic root of 77147116 is about 425.7028572865.

The spelling of 77147116 in words is "seventy-seven million, one hundred forty-seven thousand, one hundred sixteen".