26086847657 has 16 divisors (see below), whose sum is σ = 28985859840. Its totient is φ = 23323766400.

The previous prime is 26086847609. The next prime is 26086847663. The reversal of 26086847657 is 75674868062.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26086847657 - 2²² = 26082653353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26086847596 and 26086847605.

It is not an unprimeable number, because it can be changed into a prime (26086847257) 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, 101969 + ... + 250142.

It is an arithmetic number, because the mean of its divisors is an integer number (1811616240).

Almost surely, 2^26086847657 is an apocalyptic number.

It is an amenable number.

26086847657 is a deficient number, since it is larger than the sum of its proper divisors (2899012183).

26086847657 is a wasteful number, since it uses less digits than its factorization.

26086847657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352304.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 26086847657 in words is "twenty-six billion, eighty-six million, eight hundred forty-seven thousand, six hundred fifty-seven".