26864675279 has 8 divisors (see below), whose sum is σ = 28944496560. Its totient is φ = 24786755136.

The previous prime is 26864675269. The next prime is 26864675281. The reversal of 26864675279 is 97257646862.

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

It is a de Polignac number, because none of the positive numbers 2^k-26864675279 is a prime.

It is a super-2 number, since 2×26864675279² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26864675239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445862 + ... + 502515.

It is an arithmetic number, because the mean of its divisors is an integer number (3618062070).

Almost surely, 2^26864675279 is an apocalyptic number.

26864675279 is a deficient number, since it is larger than the sum of its proper divisors (2079821281).

26864675279 is a wasteful number, since it uses less digits than its factorization.

26864675279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950569.

The product of its digits is 60963840, while the sum is 62.

The spelling of 26864675279 in words is "twenty-six billion, eight hundred sixty-four million, six hundred seventy-five thousand, two hundred seventy-nine".