26687414897 has 16 divisors (see below), whose sum is σ = 31560708480. Its totient is φ = 22246704000.

The previous prime is 26687414879. The next prime is 26687414903. The reversal of 26687414897 is 79841478662.

It is a cyclic number.

It is not a de Polignac number, because 26687414897 - 2²⁰ = 26686366321 is a prime.

It is a super-3 number, since 3×26687414897³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26687414197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596372 + ... + 639557.

It is an arithmetic number, because the mean of its divisors is an integer number (1972544280).

Almost surely, 2^26687414897 is an apocalyptic number.

It is an amenable number.

26687414897 is a deficient number, since it is larger than the sum of its proper divisors (4873293583).

26687414897 is a wasteful number, since it uses less digits than its factorization.

26687414897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236104.

The product of its digits is 32514048, while the sum is 62.

The spelling of 26687414897 in words is "twenty-six billion, six hundred eighty-seven million, four hundred fourteen thousand, eight hundred ninety-seven".