79495877 has 2 divisors, whose sum is σ = 79495878. Its totient is φ = 79495876.

The previous prime is 79495861. The next prime is 79495879. The reversal of 79495877 is 77859497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 36481 = 8914^2 + 191^2 .

It is an emirp because it is prime and its reverse (77859497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79495877 - 2⁴ = 79495861 is a prime.

Together with 79495879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79495879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39747938 + 39747939.

It is an arithmetic number, because the mean of its divisors is an integer number (39747939).

Almost surely, 2^79495877 is an apocalyptic number.

It is an amenable number.

79495877 is a deficient number, since it is larger than the sum of its proper divisors (1).

79495877 is an equidigital number, since it uses as much as digits as its factorization.

79495877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The square root of 79495877 is about 8916.0460407066. The cubic root of 79495877 is about 429.9799467843.

The spelling of 79495877 in words is "seventy-nine million, four hundred ninety-five thousand, eight hundred seventy-seven".