26507314868 has 12 divisors (see below), whose sum is σ = 46456325412. Its totient is φ = 13234079040.

The previous prime is 26507314861. The next prime is 26507314907. The reversal of 26507314868 is 86841370562.

26507314868 = T₂ + T₃ + ... + T₅₄₁₇.

It can be written as a sum of positive squares in 2 ways, for example, as 19839285904 + 6668028964 = 140852^2 + 81658^2 .

It is a super-2 number, since 2×26507314868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26507314861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891553 + ... + 4896968.

It is an arithmetic number, because the mean of its divisors is an integer number (3871360451).

Almost surely, 2^26507314868 is an apocalyptic number.

It is an amenable number.

26507314868 is a deficient number, since it is larger than the sum of its proper divisors (19949010544).

26507314868 is a wasteful number, since it uses less digits than its factorization.

26507314868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9789202 (or 9789200 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 26507314868 in words is "twenty-six billion, five hundred seven million, three hundred fourteen thousand, eight hundred sixty-eight".