78579107 has 2 divisors, whose sum is σ = 78579108. Its totient is φ = 78579106.

The previous prime is 78579097. The next prime is 78579113. The reversal of 78579107 is 70197587.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78579107 - 2⁶ = 78579043 is a prime.

It is not a weakly prime, because it can be changed into another prime (78579197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39289553 + 39289554.

It is an arithmetic number, because the mean of its divisors is an integer number (39289554).

Almost surely, 2^78579107 is an apocalyptic number.

78579107 is a deficient number, since it is larger than the sum of its proper divisors (1).

78579107 is an equidigital number, since it uses as much as digits as its factorization.

78579107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 78579107 is about 8864.4857154829. The cubic root of 78579107 is about 428.3206665377.

The spelling of 78579107 in words is "seventy-eight million, five hundred seventy-nine thousand, one hundred seven".