77328563748 has 48 divisors (see below), whose sum is σ = 191094531264. Its totient is φ = 24253911040.

The previous prime is 77328563729. The next prime is 77328563801. The reversal of 77328563748 is 84736582377.

It is a junction number, because it is equal to n+sod(n) for n = 77328563691 and 77328563700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814036 + ... + 904052.

It is an arithmetic number, because the mean of its divisors is an integer number (3981136068).

Almost surely, 2^77328563748 is an apocalyptic number.

It is an amenable number.

77328563748 is an abundant number, since it is smaller than the sum of its proper divisors (113765967516).

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

77328563748 is a wasteful number, since it uses less digits than its factorization.

77328563748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94252 (or 94250 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 77328563748 in words is "seventy-seven billion, three hundred twenty-eight million, five hundred sixty-three thousand, seven hundred forty-eight".