77053716 has 36 divisors (see below), whose sum is σ = 196029652. Its totient is φ = 25519104.

The previous prime is 77053687. The next prime is 77053733. The reversal of 77053716 is 61735077.

It can be written as a sum of positive squares in 2 ways, for example, as 38489616 + 38564100 = 6204^2 + 6210^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165 + ... + 12468.

Almost surely, 2^77053716 is an apocalyptic number.

It is an amenable number.

77053716 is an abundant number, since it is smaller than the sum of its proper divisors (118975936).

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

77053716 is a wasteful number, since it uses less digits than its factorization.

77053716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800 (or 13795 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 77053716 is about 8778.0246069375. The cubic root of 77053716 is about 425.5309921304.

The spelling of 77053716 in words is "seventy-seven million, fifty-three thousand, seven hundred sixteen".