864765404 has 6 divisors (see below), whose sum is σ = 1513339464. Its totient is φ = 432382700.

The previous prime is 864765371. The next prime is 864765427. The reversal of 864765404 is 404567468.

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, 108095672 + ... + 108095679.

It is an arithmetic number, because the mean of its divisors is an integer number (252223244).

Almost surely, 2^864765404 is an apocalyptic number.

It is an amenable number.

864765404 is a deficient number, since it is larger than the sum of its proper divisors (648574060).

864765404 is a wasteful number, since it uses less digits than its factorization.

864765404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216191355 (or 216191353 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The square root of 864765404 is about 29406.8938176068. The cubic root of 864765404 is about 952.7217988909.

The spelling of 864765404 in words is "eight hundred sixty-four million, seven hundred sixty-five thousand, four hundred four".