26791137278 has 8 divisors (see below), whose sum is σ = 40204392768. Its totient is φ = 13389673024.

The previous prime is 26791137277. The next prime is 26791137377. The reversal of 26791137278 is 87273119762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26791137277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942126 + ... + 2951217.

It is an arithmetic number, because the mean of its divisors is an integer number (5025549096).

Almost surely, 2^26791137278 is an apocalyptic number.

26791137278 is a deficient number, since it is larger than the sum of its proper divisors (13413255490).

26791137278 is a wasteful number, since it uses less digits than its factorization.

26791137278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895618.

The product of its digits is 1778112, while the sum is 53.

The spelling of 26791137278 in words is "twenty-six billion, seven hundred ninety-one million, one hundred thirty-seven thousand, two hundred seventy-eight".