77077616 has 40 divisors (see below), whose sum is σ = 186190464. Its totient is φ = 30029760.

The previous prime is 77077613. The next prime is 77077633. The reversal of 77077616 is 61677077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77077613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30050 + ... + 32513.

Almost surely, 2^77077616 is an apocalyptic number.

It is an amenable number.

77077616 is an abundant number, since it is smaller than the sum of its proper divisors (109112848).

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

77077616 is a wasteful number, since it uses less digits than its factorization.

77077616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62589 (or 62583 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 77077616 is about 8779.3858555140. The cubic root of 77077616 is about 425.5749836899.

The spelling of 77077616 in words is "seventy-seven million, seventy-seven thousand, six hundred sixteen".