26756764979 has 8 divisors (see below), whose sum is σ = 30584823648. Its totient is φ = 22930122240.

The previous prime is 26756764949. The next prime is 26756764997. The reversal of 26756764979 is 97946765762.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26756764979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26756764949) 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, 313172 + ... + 389345.

It is an arithmetic number, because the mean of its divisors is an integer number (3823102956).

Almost surely, 2^26756764979 is an apocalyptic number.

26756764979 is a deficient number, since it is larger than the sum of its proper divisors (3828058669).

26756764979 is an equidigital number, since it uses as much as digits as its factorization.

26756764979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707965.

The product of its digits is 240045120, while the sum is 68.

The spelling of 26756764979 in words is "twenty-six billion, seven hundred fifty-six million, seven hundred sixty-four thousand, nine hundred seventy-nine".