26488797797 has 32 divisors (see below), whose sum is σ = 33782661120. Its totient is φ = 20171954880.

The previous prime is 26488797781. The next prime is 26488797827. The reversal of 26488797797 is 79779788462.

It is not a de Polignac number, because 26488797797 - 2⁴ = 26488797781 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 (26488797767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634979 + ... + 675407.

It is an arithmetic number, because the mean of its divisors is an integer number (1055708160).

Almost surely, 2^26488797797 is an apocalyptic number.

It is an amenable number.

26488797797 is a deficient number, since it is larger than the sum of its proper divisors (7293863323).

26488797797 is a wasteful number, since it uses less digits than its factorization.

26488797797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40641.

The product of its digits is 597445632, while the sum is 74.

The spelling of 26488797797 in words is "twenty-six billion, four hundred eighty-eight million, seven hundred ninety-seven thousand, seven hundred ninety-seven".