8378764 has 6 divisors (see below), whose sum is σ = 14662844. Its totient is φ = 4189380.

The previous prime is 8378731. The next prime is 8378771. The reversal of 8378764 is 4678738.

It is a self number, because there is not a number n which added to its sum of digits gives 8378764.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047342 + ... + 1047349.

Almost surely, 2^8378764 is an apocalyptic number.

It is an amenable number.

8378764 is a deficient number, since it is larger than the sum of its proper divisors (6284080).

8378764 is a wasteful number, since it uses less digits than its factorization.

8378764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094695 (or 2094693 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 8378764 is about 2894.6094727959. The cubic root of 8378764 is about 203.1078236837.

The spelling of 8378764 in words is "eight million, three hundred seventy-eight thousand, seven hundred sixty-four".