768868779375 has 30 divisors (see below), whose sum is σ = 1387791070952. Its totient is φ = 410063346000.

The previous prime is 768868779373. The next prime is 768868779377. The reversal of 768868779375 is 573977868867.

It is an interprime number because it is at equal distance from previous prime (768868779373) and next prime (768868779377).

It is not a de Polignac number, because 768868779375 - 2¹ = 768868779373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768868779294 and 768868779303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768868779373) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 68338267 + ... + 68349516.

Almost surely, 2^768868779375 is an apocalyptic number.

768868779375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

768868779375 is a deficient number, since it is larger than the sum of its proper divisors (618922291577).

768868779375 is a wasteful number, since it uses less digits than its factorization.

768868779375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136687809 (or 136687791 counting only the distinct ones).

The product of its digits is 5974456320, while the sum is 81.

The spelling of 768868779375 in words is "seven hundred sixty-eight billion, eight hundred sixty-eight million, seven hundred seventy-nine thousand, three hundred seventy-five".