7564265279 has 2 divisors, whose sum is σ = 7564265280. Its totient is φ = 7564265278.

The previous prime is 7564265263. The next prime is 7564265281. The reversal of 7564265279 is 9725624657.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7564265279 - 2⁴ = 7564265263 is a prime.

It is a super-2 number, since 2×7564265279² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 7564265281, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7564265279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7564265239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3782132639 + 3782132640.

It is an arithmetic number, because the mean of its divisors is an integer number (3782132640).

Almost surely, 2^7564265279 is an apocalyptic number.

7564265279 is a deficient number, since it is larger than the sum of its proper divisors (1).

7564265279 is an equidigital number, since it uses as much as digits as its factorization.

7564265279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 53.

The square root of 7564265279 is about 86972.7847030322. The cubic root of 7564265279 is about 1963.0088175258.

The spelling of 7564265279 in words is "seven billion, five hundred sixty-four million, two hundred sixty-five thousand, two hundred seventy-nine".