77051764 has 12 divisors (see below), whose sum is σ = 141937600. Its totient is φ = 36498168.

The previous prime is 77051761. The next prime is 77051791. The reversal of 77051764 is 46715077.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77051761) 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, 506844 + ... + 506995.

Almost surely, 2^77051764 is an apocalyptic number.

It is an amenable number.

77051764 is a deficient number, since it is larger than the sum of its proper divisors (64885836).

77051764 is a wasteful number, since it uses less digits than its factorization.

77051764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013862 (or 1013860 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 77051764 is about 8777.9134194864. The cubic root of 77051764 is about 425.5273987778.

It can be divided in two parts, 77051 and 764, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 77051764 in words is "seventy-seven million, fifty-one thousand, seven hundred sixty-four".