768889775 has 12 divisors (see below), whose sum is σ = 956801112. Its totient is φ = 612932640.

The previous prime is 768889763. The next prime is 768889783. The reversal of 768889775 is 577988867.

It is not a de Polignac number, because 768889775 - 2⁸ = 768889519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47264 + ... + 61413.

It is an arithmetic number, because the mean of its divisors is an integer number (79733426).

Almost surely, 2^768889775 is an apocalyptic number.

768889775 is a deficient number, since it is larger than the sum of its proper divisors (187911337).

768889775 is a wasteful number, since it uses less digits than its factorization.

768889775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108970 (or 108965 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 65.

The square root of 768889775 is about 27728.8617689223. The cubic root of 768889775 is about 916.1249166197.

The spelling of 768889775 in words is "seven hundred sixty-eight million, eight hundred eighty-nine thousand, seven hundred seventy-five".