26277116657 has 16 divisors (see below), whose sum is σ = 29246275584. Its totient is φ = 23408418000.

The previous prime is 26277116629. The next prime is 26277116693. The reversal of 26277116657 is 75661177262.

It is not a de Polignac number, because 26277116657 - 2¹⁶ = 26277051121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26277116057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47432 + ... + 234102.

It is an arithmetic number, because the mean of its divisors is an integer number (1827892224).

Almost surely, 2^26277116657 is an apocalyptic number.

It is an amenable number.

26277116657 is a deficient number, since it is larger than the sum of its proper divisors (2969158927).

26277116657 is a wasteful number, since it uses less digits than its factorization.

26277116657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186940.

The product of its digits is 1481760, while the sum is 50.

The spelling of 26277116657 in words is "twenty-six billion, two hundred seventy-seven million, one hundred sixteen thousand, six hundred fifty-seven".