65297279279 has 2 divisors, whose sum is σ = 65297279280. Its totient is φ = 65297279278.

The previous prime is 65297279249. The next prime is 65297279291. The reversal of 65297279279 is 97297279256.

65297279279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65297279279 - 2²⁸ = 65028843823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65297279239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32648639639 + 32648639640.

It is an arithmetic number, because the mean of its divisors is an integer number (32648639640).

Almost surely, 2^65297279279 is an apocalyptic number.

65297279279 is a deficient number, since it is larger than the sum of its proper divisors (1).

65297279279 is an equidigital number, since it uses as much as digits as its factorization.

65297279279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60011280, while the sum is 65.

The spelling of 65297279279 in words is "sixty-five billion, two hundred ninety-seven million, two hundred seventy-nine thousand, two hundred seventy-nine".