77369964 has 48 divisors (see below), whose sum is σ = 206750208. Its totient is φ = 22059648.

The previous prime is 77369947. The next prime is 77369987. The reversal of 77369964 is 46996377.

It is a super-2 number, since 2×77369964² = 11972222658722592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78217 + ... + 79199.

It is an arithmetic number, because the mean of its divisors is an integer number (4307296).

Almost surely, 2^77369964 is an apocalyptic number.

It is an amenable number.

77369964 is an abundant number, since it is smaller than the sum of its proper divisors (129380244).

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

77369964 is a wasteful number, since it uses less digits than its factorization.

77369964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1932 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 51.

The square root of 77369964 is about 8796.0197816967. The cubic root of 77369964 is about 426.1123598789.

The spelling of 77369964 in words is "seventy-seven million, three hundred sixty-nine thousand, nine hundred sixty-four".