77704380370 has 64 divisors (see below), whose sum is σ = 148387829760. Its totient is φ = 29214820800.

The previous prime is 77704380367. The next prime is 77704380421. The reversal of 77704380370 is 7308340777.

It is a self number, because there is not a number n which added to its sum of digits gives 77704380370.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21398455 + ... + 21402085.

It is an arithmetic number, because the mean of its divisors is an integer number (2318559840).

Almost surely, 2^77704380370 is an apocalyptic number.

77704380370 is a deficient number, since it is larger than the sum of its proper divisors (70683449390).

77704380370 is a wasteful number, since it uses less digits than its factorization.

77704380370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 77704380370 in words is "seventy-seven billion, seven hundred four million, three hundred eighty thousand, three hundred seventy".