79676419 has 2 divisors, whose sum is σ = 79676420. Its totient is φ = 79676418.

The previous prime is 79676411. The next prime is 79676461. The reversal of 79676419 is 91467697.

It is a weak prime.

It is an emirp because it is prime and its reverse (91467697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79676419 - 2³ = 79676411 is a prime.

It is a super-2 number, since 2×79676419² = 12696663489327122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79676411) 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, 39838209 + 39838210.

It is an arithmetic number, because the mean of its divisors is an integer number (39838210).

Almost surely, 2^79676419 is an apocalyptic number.

79676419 is a deficient number, since it is larger than the sum of its proper divisors (1).

79676419 is an equidigital number, since it uses as much as digits as its factorization.

79676419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 79676419 is about 8926.1648539560. The cubic root of 79676419 is about 430.3052078704.

The spelling of 79676419 in words is "seventy-nine million, six hundred seventy-six thousand, four hundred nineteen".