26980715799 has 24 divisors (see below), whose sum is σ = 40074626592. Its totient is φ = 17481646080.

The previous prime is 26980715779. The next prime is 26980715803. The reversal of 26980715799 is 99751708962.

It is not a de Polignac number, because 26980715799 - 2¹¹ = 26980713751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26980715719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41962 + ... + 236055.

It is an arithmetic number, because the mean of its divisors is an integer number (1669776108).

Almost surely, 2^26980715799 is an apocalyptic number.

26980715799 is a deficient number, since it is larger than the sum of its proper divisors (13093910793).

26980715799 is a wasteful number, since it uses less digits than its factorization.

26980715799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278327 (or 278324 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 26980715799 in words is "twenty-six billion, nine hundred eighty million, seven hundred fifteen thousand, seven hundred ninety-nine".