26120977709 has 8 divisors (see below), whose sum is σ = 27511410240. Its totient is φ = 24751773376.

The previous prime is 26120977703. The next prime is 26120977721. The reversal of 26120977709 is 90777902162.

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

It is a cyclic number.

It is not a de Polignac number, because 26120977709 - 2²⁸ = 25852542253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26120977703) 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, 5304524 + ... + 5309445.

It is an arithmetic number, because the mean of its divisors is an integer number (3438926280).

Almost surely, 2^26120977709 is an apocalyptic number.

It is an amenable number.

26120977709 is a deficient number, since it is larger than the sum of its proper divisors (1390432531).

26120977709 is a wasteful number, since it uses less digits than its factorization.

26120977709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10614099.

The product of its (nonzero) digits is 666792, while the sum is 50.

The spelling of 26120977709 in words is "twenty-six billion, one hundred twenty million, nine hundred seventy-seven thousand, seven hundred nine".