766878768 has 30 divisors (see below), whose sum is σ = 2146195844. Its totient is φ = 255626208.

The previous prime is 766878751. The next prime is 766878769. The reversal of 766878768 is 867878667.

It is not an unprimeable number, because it can be changed into a prime (766878769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2662630 + ... + 2662917.

Almost surely, 2^766878768 is an apocalyptic number.

It is an amenable number.

766878768 is an abundant number, since it is smaller than the sum of its proper divisors (1379317076).

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

766878768 is a wasteful number, since it uses less digits than its factorization.

766878768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325561 (or 5325552 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The square root of 766878768 is about 27692.5760448536. The cubic root of 766878768 is about 915.3255206566.

It can be divided in two parts, 7668 and 78768, that added together give a square (86436 = 294²).

The spelling of 766878768 in words is "seven hundred sixty-six million, eight hundred seventy-eight thousand, seven hundred sixty-eight".