7878368 has 24 divisors (see below), whose sum is σ = 15603840. Its totient is φ = 3915520.

The previous prime is 7878359. The next prime is 7878383. The reversal of 7878368 is 8638787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5468 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (650160).

Almost surely, 2^7878368 is an apocalyptic number.

It is an amenable number.

7878368 is a deficient number, since it is larger than the sum of its proper divisors (7725472).

7878368 is a wasteful number, since it uses less digits than its factorization.

7878368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1482 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 7878368 is about 2806.8430665073. The cubic root of 7878368 is about 198.9812192405.

The spelling of 7878368 in words is "seven million, eight hundred seventy-eight thousand, three hundred sixty-eight".