7526079889 has 2 divisors, whose sum is σ = 7526079890. Its totient is φ = 7526079888.

The previous prime is 7526079887. The next prime is 7526079893. The reversal of 7526079889 is 9889706257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6696639889 + 829440000 = 81833^2 + 28800^2 .

It is a cyclic number.

It is not a de Polignac number, because 7526079889 - 2¹ = 7526079887 is a prime.

It is a super-2 number, since 2×7526079889² (a number of 21 digits) contains 22 as substring.

Together with 7526079887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7526079887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3763039944 + 3763039945.

It is an arithmetic number, because the mean of its divisors is an integer number (3763039945).

Almost surely, 2^7526079889 is an apocalyptic number.

It is an amenable number.

7526079889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7526079889 is an equidigital number, since it uses as much as digits as its factorization.

7526079889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The square root of 7526079889 is about 86752.9820179111. The cubic root of 7526079889 is about 1959.7000694218.

The spelling of 7526079889 in words is "seven billion, five hundred twenty-six million, seventy-nine thousand, eight hundred eighty-nine".