769420878 has 32 divisors (see below), whose sum is σ = 1566055680. Its totient is φ = 251976960.

The previous prime is 769420819. The next prime is 769420889. The reversal of 769420878 is 878024967.

It is a self number, because there is not a number n which added to its sum of digits gives 769420878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76143 + ... + 85653.

It is an arithmetic number, because the mean of its divisors is an integer number (48939240).

Almost surely, 2^769420878 is an apocalyptic number.

769420878 is an abundant number, since it is smaller than the sum of its proper divisors (796634802).

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

769420878 is a wasteful number, since it uses less digits than its factorization.

769420878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 769420878 is about 27738.4368341116. The cubic root of 769420878 is about 916.3358028101.

The spelling of 769420878 in words is "seven hundred sixty-nine million, four hundred twenty thousand, eight hundred seventy-eight".