26100891 has 6 divisors (see below), whose sum is σ = 37701300. Its totient is φ = 17400588.

The previous prime is 26100881. The next prime is 26100917. The reversal of 26100891 is 19800162.

It is not a de Polignac number, because 26100891 - 2⁶ = 26100827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26100821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1450041 + ... + 1450058.

It is an arithmetic number, because the mean of its divisors is an integer number (6283550).

Almost surely, 2^26100891 is an apocalyptic number.

26100891 is a deficient number, since it is larger than the sum of its proper divisors (11600409).

26100891 is a wasteful number, since it uses less digits than its factorization.

26100891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900105 (or 2900102 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 26100891 is about 5108.9031112363. The cubic root of 26100891 is about 296.6323035287.

The spelling of 26100891 in words is "twenty-six million, one hundred thousand, eight hundred ninety-one".