26900808678 has 12 divisors (see below), whose sum is σ = 58285085508. Its totient is φ = 8966936220.

The previous prime is 26900808661. The next prime is 26900808719. The reversal of 26900808678 is 87680800962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 747244668 + ... + 747244703.

It is an arithmetic number, because the mean of its divisors is an integer number (4857090459).

Almost surely, 2^26900808678 is an apocalyptic number.

26900808678 is an abundant number, since it is smaller than the sum of its proper divisors (31384276830).

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

26900808678 is a wasteful number, since it uses less digits than its factorization.

26900808678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494489379 (or 1494489376 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 26900808678 in words is "twenty-six billion, nine hundred million, eight hundred eight thousand, six hundred seventy-eight".