768756450078 has 64 divisors (see below), whose sum is σ = 1717058960640. Its totient is φ = 254946333600.

The previous prime is 768756450071. The next prime is 768756450107. The reversal of 768756450078 is 870054657867.

768756450078 is a `hidden beast` number, since 7 + 6 + 8 + 7 + 56 + 4 + 500 + 78 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 768756449997 and 768756450024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768756450071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36689601 + ... + 36710547.

It is an arithmetic number, because the mean of its divisors is an integer number (26829046260).

Almost surely, 2^768756450078 is an apocalyptic number.

768756450078 is an abundant number, since it is smaller than the sum of its proper divisors (948302510562).

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

768756450078 is a wasteful number, since it uses less digits than its factorization.

768756450078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24390 (or 24384 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 768756450078 in words is "seven hundred sixty-eight billion, seven hundred fifty-six million, four hundred fifty thousand, seventy-eight".