766878879 has 16 divisors (see below), whose sum is σ = 1104012000. Its totient is φ = 470702976.

The previous prime is 766878841. The next prime is 766878901. The reversal of 766878879 is 978878667.

It is not a de Polignac number, because 766878879 - 2⁷ = 766878751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766878829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10104 + ... + 40445.

It is an arithmetic number, because the mean of its divisors is an integer number (69000750).

Almost surely, 2^766878879 is an apocalyptic number.

766878879 is a deficient number, since it is larger than the sum of its proper divisors (337133121).

766878879 is a wasteful number, since it uses less digits than its factorization.

766878879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50954.

The product of its digits is 56899584, while the sum is 66.

The square root of 766878879 is about 27692.5780490008. The cubic root of 766878879 is about 915.3255648188.

The spelling of 766878879 in words is "seven hundred sixty-six million, eight hundred seventy-eight thousand, eight hundred seventy-nine".