26979748874 has 32 divisors (see below), whose sum is σ = 44893941456. Its totient is φ = 12079549440.

The previous prime is 26979748841. The next prime is 26979748897. The reversal of 26979748874 is 47884797962.

It can be written as a sum of positive squares in 8 ways, for example, as 10783368649 + 16196380225 = 103843^2 + 127265^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26979748798 and 26979748807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282584 + ... + 365804.

Almost surely, 2^26979748874 is an apocalyptic number.

26979748874 is a deficient number, since it is larger than the sum of its proper divisors (17914192582).

26979748874 is a wasteful number, since it uses less digits than its factorization.

26979748874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83610.

The product of its digits is 341397504, while the sum is 71.

The spelling of 26979748874 in words is "twenty-six billion, nine hundred seventy-nine million, seven hundred forty-eight thousand, eight hundred seventy-four".