79152779 has 2 divisors, whose sum is σ = 79152780. Its totient is φ = 79152778.

The previous prime is 79152763. The next prime is 79152793. The reversal of 79152779 is 97725197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79152779 - 2⁴ = 79152763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79152739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39576389 + 39576390.

It is an arithmetic number, because the mean of its divisors is an integer number (39576390).

Almost surely, 2^79152779 is an apocalyptic number.

79152779 is a deficient number, since it is larger than the sum of its proper divisors (1).

79152779 is an equidigital number, since it uses as much as digits as its factorization.

79152779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277830, while the sum is 47.

The square root of 79152779 is about 8896.7847563038. The cubic root of 79152779 is about 429.3604680912.

The spelling of 79152779 in words is "seventy-nine million, one hundred fifty-two thousand, seven hundred seventy-nine".