26894794768 has 20 divisors (see below), whose sum is σ = 52112614480. Its totient is φ = 13446378144.

The previous prime is 26894794757. The next prime is 26894794777. The reversal of 26894794768 is 86749749862.

It is a happy number.

It is a super-2 number, since 2×26894794768² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26894794697 and 26894794706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182923 + ... + 295381.

It is an arithmetic number, because the mean of its divisors is an integer number (2605630724).

Almost surely, 2^26894794768 is an apocalyptic number.

It is an amenable number.

26894794768 is a deficient number, since it is larger than the sum of its proper divisors (25217819712).

26894794768 is a wasteful number, since it uses less digits than its factorization.

26894794768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127414 (or 127408 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 70.

The spelling of 26894794768 in words is "twenty-six billion, eight hundred ninety-four million, seven hundred ninety-four thousand, seven hundred sixty-eight".