7878364 has 12 divisors (see below), whose sum is σ = 14847784. Its totient is φ = 3636144.

The previous prime is 7878359. The next prime is 7878383. The reversal of 7878364 is 4638787.

It is a self number, because there is not a number n which added to its sum of digits gives 7878364.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75702 + ... + 75805.

Almost surely, 2^7878364 is an apocalyptic number.

It is an amenable number.

7878364 is a deficient number, since it is larger than the sum of its proper divisors (6969420).

7878364 is a wasteful number, since it uses less digits than its factorization.

7878364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151524 (or 151522 counting only the distinct ones).

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

The square root of 7878364 is about 2806.8423539629. The cubic root of 7878364 is about 198.9811855650.

The spelling of 7878364 in words is "seven million, eight hundred seventy-eight thousand, three hundred sixty-four".