78749653056 has 28 divisors (see below), whose sum is σ = 208358457552. Its totient is φ = 26249884288.

The previous prime is 78749653049. The next prime is 78749653123. The reversal of 78749653056 is 65035694787.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205077030 + ... + 205077413.

It is an arithmetic number, because the mean of its divisors is an integer number (7441373484).

Almost surely, 2^78749653056 is an apocalyptic number.

It is an amenable number.

78749653056 is an abundant number, since it is smaller than the sum of its proper divisors (129608804496).

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

78749653056 is a wasteful number, since it uses less digits than its factorization.

78749653056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410154458 (or 410154448 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 78749653056 in words is "seventy-eight billion, seven hundred forty-nine million, six hundred fifty-three thousand, fifty-six".