7878652 has 12 divisors (see below), whose sum is σ = 13826680. Its totient is φ = 3928176.

The previous prime is 7878649. The next prime is 7878653. The reversal of 7878652 is 2568787.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7878599 and 7878608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7878653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083 + ... + 4114.

Almost surely, 2^7878652 is an apocalyptic number.

It is an amenable number.

7878652 is a deficient number, since it is larger than the sum of its proper divisors (5948028).

7878652 is a wasteful number, since it uses less digits than its factorization.

7878652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580 (or 5578 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 7878652 is about 2806.8936566960. The cubic root of 7878652 is about 198.9836101751.

The spelling of 7878652 in words is "seven million, eight hundred seventy-eight thousand, six hundred fifty-two".