77796004 has 48 divisors (see below), whose sum is σ = 160848576. Its totient is φ = 32457600.

The previous prime is 77796001. The next prime is 77796007. The reversal of 77796004 is 40069777.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77796001) and next prime (77796007).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (77796001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158199 + ... + 158689.

It is an arithmetic number, because the mean of its divisors is an integer number (3351012).

Almost surely, 2^77796004 is an apocalyptic number.

It is an amenable number.

77796004 is an abundant number, since it is smaller than the sum of its proper divisors (83052572).

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

77796004 is a wasteful number, since it uses less digits than its factorization.

77796004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 77796004 is about 8820.2043060238. The cubic root of 77796004 is about 426.8930620875.

The spelling of 77796004 in words is "seventy-seven million, seven hundred ninety-six thousand, four".