766218804 has 96 divisors (see below), whose sum is σ = 1985539584. Its totient is φ = 228510720.

The previous prime is 766218799. The next prime is 766218823. The reversal of 766218804 is 408812667.

766218804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694117 + ... + 695219.

It is an arithmetic number, because the mean of its divisors is an integer number (20682704).

Almost surely, 2^766218804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766218804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992769792).

766218804 is an abundant number, since it is smaller than the sum of its proper divisors (1219320780).

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

766218804 is a wasteful number, since it uses less digits than its factorization.

766218804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 766218804 is about 27680.6575788943. The cubic root of 766218804 is about 915.0628736395.

The spelling of 766218804 in words is "seven hundred sixty-six million, two hundred eighteen thousand, eight hundred four".