79487297 has 2 divisors, whose sum is σ = 79487298. Its totient is φ = 79487296.

The previous prime is 79487237. The next prime is 79487311. The reversal of 79487297 is 79278497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78783376 + 703921 = 8876^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 79487297 - 2¹⁴ = 79470913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79487237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39743648 + 39743649.

It is an arithmetic number, because the mean of its divisors is an integer number (39743649).

Almost surely, 2^79487297 is an apocalyptic number.

It is an amenable number.

79487297 is a deficient number, since it is larger than the sum of its proper divisors (1).

79487297 is an equidigital number, since it uses as much as digits as its factorization.

79487297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 53.

The square root of 79487297 is about 8915.5648727380. The cubic root of 79487297 is about 429.9644769645.

The spelling of 79487297 in words is "seventy-nine million, four hundred eighty-seven thousand, two hundred ninety-seven".