79895477 has 2 divisors, whose sum is σ = 79895478. Its totient is φ = 79895476.

The previous prime is 79895447. The next prime is 79895503. The reversal of 79895477 is 77459897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56460196 + 23435281 = 7514^2 + 4841^2 .

It is a cyclic number.

It is not a de Polignac number, because 79895477 - 2¹⁰ = 79894453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79895447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39947738 + 39947739.

It is an arithmetic number, because the mean of its divisors is an integer number (39947739).

Almost surely, 2^79895477 is an apocalyptic number.

It is an amenable number.

79895477 is a deficient number, since it is larger than the sum of its proper divisors (1).

79895477 is an equidigital number, since it uses as much as digits as its factorization.

79895477 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 79895477 is about 8938.4269868920. The cubic root of 79895477 is about 430.6991995726.

The spelling of 79895477 in words is "seventy-nine million, eight hundred ninety-five thousand, four hundred seventy-seven".