77344925904 has 30 divisors (see below), whose sum is σ = 216458369426. Its totient is φ = 25781641920.

The previous prime is 77344925897. The next prime is 77344925947. The reversal of 77344925904 is 40952944377.

77344925904 is a `hidden beast` number, since 7 + 7 + 3 + 4 + 49 + 2 + 590 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43873491600 + 33471434304 = 209460^2 + 182952^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268558627 + ... + 268558914.

Almost surely, 2^77344925904 is an apocalyptic number.

It is an amenable number.

77344925904 is an abundant number, since it is smaller than the sum of its proper divisors (139113443522).

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

77344925904 is a wasteful number, since it uses less digits than its factorization.

77344925904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537117555 (or 537117546 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 77344925904 in words is "seventy-seven billion, three hundred forty-four million, nine hundred twenty-five thousand, nine hundred four".