7878792 has 16 divisors (see below), whose sum is σ = 19697040. Its totient is φ = 2626256.

The previous prime is 7878791. The next prime is 7878797. The reversal of 7878792 is 2978787.

It is a d-powerful number, because it can be written as 7 + 8 + 7⁵ + 8 + 7⁸ + 9 + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (7878791) 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, 164118 + ... + 164165.

It is an arithmetic number, because the mean of its divisors is an integer number (1231065).

Almost surely, 2^7878792 is an apocalyptic number.

It is an amenable number.

7878792 is an abundant number, since it is smaller than the sum of its proper divisors (11818248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7878792 is a wasteful number, since it uses less digits than its factorization.

7878792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328292 (or 328288 counting only the distinct ones).

The product of its digits is 395136, while the sum is 48.

The square root of 7878792 is about 2806.9185951858. The cubic root of 7878792 is about 198.9847887837.

The spelling of 7878792 in words is "seven million, eight hundred seventy-eight thousand, seven hundred ninety-two".