79079641 has 2 divisors, whose sum is σ = 79079642. Its totient is φ = 79079640.

The previous prime is 79079639. The next prime is 79079669. The reversal of 79079641 is 14697097.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 15015625 = 8004^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 79079641 - 2¹ = 79079639 is a prime.

Together with 79079639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79079041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39539820 + 39539821.

It is an arithmetic number, because the mean of its divisors is an integer number (39539821).

Almost surely, 2^79079641 is an apocalyptic number.

It is an amenable number.

79079641 is a deficient number, since it is larger than the sum of its proper divisors (1).

79079641 is an equidigital number, since it uses as much as digits as its factorization.

79079641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79079641 is about 8892.6734450333. The cubic root of 79079641 is about 429.2281828096.

The spelling of 79079641 in words is "seventy-nine million, seventy-nine thousand, six hundred forty-one".