26868476616 has 32 divisors (see below), whose sum is σ = 67700106240. Its totient is φ = 8885636928.

The previous prime is 26868476543. The next prime is 26868476623. The reversal of 26868476616 is 61667486862.

It is a super-2 number, since 2×26868476616² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26868476616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404511 + ... + 4410606.

It is an arithmetic number, because the mean of its divisors is an integer number (2115628320).

Almost surely, 2^26868476616 is an apocalyptic number.

It is an amenable number.

26868476616 is an abundant number, since it is smaller than the sum of its proper divisors (40831629624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26868476616 is a wasteful number, since it uses less digits than its factorization.

26868476616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815253 (or 8815249 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 60.

The spelling of 26868476616 in words is "twenty-six billion, eight hundred sixty-eight million, four hundred seventy-six thousand, six hundred sixteen".