77738604534748 has 24 divisors (see below), whose sum is σ = 139727089660032. Its totient is φ = 37816694794944.

The previous prime is 77738604534737. The next prime is 77738604534757. The reversal of 77738604534748 is 84743540683777.

77738604534748 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11790415 + ... + 17160742.

It is an arithmetic number, because the mean of its divisors is an integer number (5821962069168).

Almost surely, 2^{77738604534748} is an apocalyptic number.

It is an amenable number.

77738604534748 is a deficient number, since it is larger than the sum of its proper divisors (61988485125284).

77738604534748 is a wasteful number, since it uses less digits than its factorization.

77738604534748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969341 (or 28969339 counting only the distinct ones).

The product of its (nonzero) digits is 2655313920, while the sum is 73.

The spelling of 77738604534748 in words is "seventy-seven trillion, seven hundred thirty-eight billion, six hundred four million, five hundred thirty-four thousand, seven hundred forty-eight".