764028856 has 8 divisors (see below), whose sum is σ = 1432554120. Its totient is φ = 382014424.

The previous prime is 764028847. The next prime is 764028871. The reversal of 764028856 is 658820467.

764028856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47751796 + ... + 47751811.

It is an arithmetic number, because the mean of its divisors is an integer number (179069265).

Almost surely, 2^764028856 is an apocalyptic number.

It is an amenable number.

764028856 is a deficient number, since it is larger than the sum of its proper divisors (668525264).

764028856 is a wasteful number, since it uses less digits than its factorization.

764028856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95503613 (or 95503609 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 764028856 is about 27641.0719039620. The cubic root of 764028856 is about 914.1902541796.

It can be divided in two parts, 76402 and 8856, that added together give a palindrome (85258).

The spelling of 764028856 in words is "seven hundred sixty-four million, twenty-eight thousand, eight hundred fifty-six".