768761279 has 12 divisors (see below), whose sum is σ = 910004088. Its totient is φ = 645113040.

The previous prime is 768761249. The next prime is 768761291. The reversal of 768761279 is 972167867.

It is not a de Polignac number, because 768761279 - 2¹² = 768757183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768761279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768761239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242789 + ... + 245934.

It is an arithmetic number, because the mean of its divisors is an integer number (75833674).

Almost surely, 2^768761279 is an apocalyptic number.

768761279 is a deficient number, since it is larger than the sum of its proper divisors (141242809).

768761279 is a wasteful number, since it uses less digits than its factorization.

768761279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488758 (or 488747 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 53.

The square root of 768761279 is about 27726.5446639137. The cubic root of 768761279 is about 916.0738798524.

The spelling of 768761279 in words is "seven hundred sixty-eight million, seven hundred sixty-one thousand, two hundred seventy-nine".