26667511379 has 2 divisors, whose sum is σ = 26667511380. Its totient is φ = 26667511378.

The previous prime is 26667511349. The next prime is 26667511417. The reversal of 26667511379 is 97311576662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26667511379 - 2¹⁶ = 26667445843 is a prime.

It is a super-2 number, since 2×26667511379² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26667511379.

It is not a weakly prime, because it can be changed into another prime (26667511349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13333755689 + 13333755690.

It is an arithmetic number, because the mean of its divisors is an integer number (13333755690).

Almost surely, 2^26667511379 is an apocalyptic number.

26667511379 is a deficient number, since it is larger than the sum of its proper divisors (1).

26667511379 is an equidigital number, since it uses as much as digits as its factorization.

26667511379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 53.

The spelling of 26667511379 in words is "twenty-six billion, six hundred sixty-seven million, five hundred eleven thousand, three hundred seventy-nine".