76977706 has 8 divisors (see below), whose sum is σ = 124348644. Its totient is φ = 35528160.

The previous prime is 76977701. The next prime is 76977709. The reversal of 76977706 is 60777967.

It can be written as a sum of positive squares in 2 ways, for example, as 76475025 + 502681 = 8745^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 76977706.

It is not an unprimeable number, because it can be changed into a prime (76977701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480315 + ... + 1480366.

Almost surely, 2^76977706 is an apocalyptic number.

76977706 is a deficient number, since it is larger than the sum of its proper divisors (47370938).

76977706 is a wasteful number, since it uses less digits than its factorization.

76977706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960696.

The product of its (nonzero) digits is 777924, while the sum is 49.

The square root of 76977706 is about 8773.6939768834. The cubic root of 76977706 is about 425.3910237477.

The spelling of 76977706 in words is "seventy-six million, nine hundred seventy-seven thousand, seven hundred six".