26800215896 has 32 divisors (see below), whose sum is σ = 53217000000. Its totient is φ = 12609332736.

The previous prime is 26800215857. The next prime is 26800215907. The reversal of 26800215896 is 69851200862.

It is a super-2 number, since 2×26800215896² (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 26800215896.

It is a congruent number.

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, 777230 + ... + 810978.

It is an arithmetic number, because the mean of its divisors is an integer number (1663031250).

Almost surely, 2^26800215896 is an apocalyptic number.

It is an amenable number.

26800215896 is a deficient number, since it is larger than the sum of its proper divisors (26416784104).

26800215896 is a wasteful number, since it uses less digits than its factorization.

26800215896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39611 (or 39607 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 26800215896 in words is "twenty-six billion, eight hundred million, two hundred fifteen thousand, eight hundred ninety-six".