78714250768 has 20 divisors (see below), whose sum is σ = 152782682220. Its totient is φ = 39286461824.

The previous prime is 78714250739. The next prime is 78714250817. The reversal of 78714250768 is 86705241787.

It can be written as a sum of positive squares in 2 ways, for example, as 29435578624 + 49278672144 = 171568^2 + 221988^2 .

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, 4407283 + ... + 4425106.

It is an arithmetic number, because the mean of its divisors is an integer number (7639134111).

Almost surely, 2^78714250768 is an apocalyptic number.

It is an amenable number.

78714250768 is a deficient number, since it is larger than the sum of its proper divisors (74068431452).

78714250768 is a wasteful number, since it uses less digits than its factorization.

78714250768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832954 (or 8832948 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 78714250768 in words is "seventy-eight billion, seven hundred fourteen million, two hundred fifty thousand, seven hundred sixty-eight".