771040804 has 24 divisors (see below), whose sum is σ = 1398878208. Its totient is φ = 371469120.

The previous prime is 771040741. The next prime is 771040811. The reversal of 771040804 is 408040177.

771040804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15549 + ... + 42235.

It is an arithmetic number, because the mean of its divisors is an integer number (58286592).

Almost surely, 2^771040804 is an apocalyptic number.

It is an amenable number.

771040804 is a deficient number, since it is larger than the sum of its proper divisors (627837404).

771040804 is a wasteful number, since it uses less digits than its factorization.

771040804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26955 (or 26953 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 771040804 is about 27767.6215041908. The cubic root of 771040804 is about 916.9784314459.

The spelling of 771040804 in words is "seven hundred seventy-one million, forty thousand, eight hundred four".