7864379 has 2 divisors, whose sum is σ = 7864380. Its totient is φ = 7864378.

The previous prime is 7864361. The next prime is 7864391. The reversal of 7864379 is 9734687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7864379 - 2⁸ = 7864123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7824379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932189 + 3932190.

It is an arithmetic number, because the mean of its divisors is an integer number (3932190).

Almost surely, 2^7864379 is an apocalyptic number.

7864379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7864379 is an equidigital number, since it uses as much as digits as its factorization.

7864379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 7864379 is about 2804.3500138178. The cubic root of 7864379 is about 198.8633776854.

The spelling of 7864379 in words is "seven million, eight hundred sixty-four thousand, three hundred seventy-nine".