26979820652 has 6 divisors (see below), whose sum is σ = 47214686148. Its totient is φ = 13489910324.

The previous prime is 26979820613. The next prime is 26979820661. The reversal of 26979820652 is 25602897962.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372477578 + ... + 3372477585.

It is an arithmetic number, because the mean of its divisors is an integer number (7869114358).

Almost surely, 2^26979820652 is an apocalyptic number.

It is an amenable number.

26979820652 is a deficient number, since it is larger than the sum of its proper divisors (20234865496).

26979820652 is a wasteful number, since it uses less digits than its factorization.

26979820652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744955167 (or 6744955165 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 26979820652 in words is "twenty-six billion, nine hundred seventy-nine million, eight hundred twenty thousand, six hundred fifty-two".