7946879 has 4 divisors (see below), whose sum is σ = 7954080. Its totient is φ = 7939680.

The previous prime is 7946857. The next prime is 7946903. The reversal of 7946879 is 9786497.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7946879 - 2⁸ = 7946623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7946839) 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, 1559 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (1988520).

Almost surely, 2^7946879 is an apocalyptic number.

7946879 is a deficient number, since it is larger than the sum of its proper divisors (7201).

7946879 is a wasteful number, since it uses less digits than its factorization.

7946879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200.

The product of its digits is 762048, while the sum is 50.

The square root of 7946879 is about 2819.0209293299. The cubic root of 7946879 is about 199.5563415637.

The spelling of 7946879 in words is "seven million, nine hundred forty-six thousand, eight hundred seventy-nine".