26886468794 has 4 divisors (see below), whose sum is σ = 40329703194. Its totient is φ = 13443234396.

The previous prime is 26886468767. The next prime is 26886468809. The reversal of 26886468794 is 49786468862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24437505625 + 2448963169 = 156325^2 + 49487^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721617197 + ... + 6721617200.

Almost surely, 2^26886468794 is an apocalyptic number.

26886468794 is a deficient number, since it is larger than the sum of its proper divisors (13443234400).

26886468794 is a wasteful number, since it uses less digits than its factorization.

26886468794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443234399.

The product of its digits is 222953472, while the sum is 68.

Adding to 26886468794 its sum of digits (68), we get a palindrome (26886468862).

The spelling of 26886468794 in words is "twenty-six billion, eight hundred eighty-six million, four hundred sixty-eight thousand, seven hundred ninety-four".