77002312004 has 24 divisors (see below), whose sum is σ = 135074520000. Its totient is φ = 38409656480.

The previous prime is 77002312003. The next prime is 77002312021. The reversal of 77002312004 is 40021320077.

It is a super-2 number, since 2×77002312004² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77002312001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099659 + ... + 6112269.

It is an arithmetic number, because the mean of its divisors is an integer number (5628105000).

Almost surely, 2^77002312004 is an apocalyptic number.

It is an amenable number.

77002312004 is a deficient number, since it is larger than the sum of its proper divisors (58072207996).

77002312004 is a wasteful number, since it uses less digits than its factorization.

77002312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123 (or 16121 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The spelling of 77002312004 in words is "seventy-seven billion, two million, three hundred twelve thousand, four".