26408608017 has 16 divisors (see below), whose sum is σ = 38627124480. Its totient is φ = 15915798800.

The previous prime is 26408608013. The next prime is 26408608021. The reversal of 26408608017 is 71080680462.

It is an interprime number because it is at equal distance from previous prime (26408608013) and next prime (26408608021).

It is not a de Polignac number, because 26408608017 - 2² = 26408608013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26408608017.

It is not an unprimeable number, because it can be changed into a prime (26408608013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229459 + ... + 2241272.

It is an arithmetic number, because the mean of its divisors is an integer number (2414195280).

Almost surely, 2^26408608017 is an apocalyptic number.

It is an amenable number.

26408608017 is a deficient number, since it is larger than the sum of its proper divisors (12218516463).

26408608017 is a wasteful number, since it uses less digits than its factorization.

26408608017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470924.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 26408608017 in words is "twenty-six billion, four hundred eight million, six hundred eight thousand, seventeen".