77995004 has 6 divisors (see below), whose sum is σ = 136491264. Its totient is φ = 38997500.

The previous prime is 77995003. The next prime is 77995009. The reversal of 77995004 is 40059977.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77995003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9749372 + ... + 9749379.

It is an arithmetic number, because the mean of its divisors is an integer number (22748544).

Almost surely, 2^77995004 is an apocalyptic number.

It is an amenable number.

77995004 is a deficient number, since it is larger than the sum of its proper divisors (58496260).

77995004 is a wasteful number, since it uses less digits than its factorization.

77995004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19498755 (or 19498753 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 77995004 is about 8831.4780189955. The cubic root of 77995004 is about 427.2567456661.

The spelling of 77995004 in words is "seventy-seven million, nine hundred ninety-five thousand, four".