26715025768 has 16 divisors (see below), whose sum is σ = 53037183780. Its totient is φ = 12571776768.

The previous prime is 26715025759. The next prime is 26715025783. The reversal of 26715025768 is 86752051762.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25159669924 + 1555355844 = 158618^2 + 39438^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98216871 + ... + 98217142.

Almost surely, 2^26715025768 is an apocalyptic number.

It is an amenable number.

26715025768 is a deficient number, since it is larger than the sum of its proper divisors (26322158012).

26715025768 is a wasteful number, since it uses less digits than its factorization.

26715025768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196434036 (or 196434032 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 26715025768 in words is "twenty-six billion, seven hundred fifteen million, twenty-five thousand, seven hundred sixty-eight".