26789913 has 8 divisors (see below), whose sum is σ = 39688800. Its totient is φ = 17859924.

The previous prime is 26789897. The next prime is 26789923. The reversal of 26789913 is 31998762.

It is not a de Polignac number, because 26789913 - 2⁴ = 26789897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26789923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496083 + ... + 496136.

It is an arithmetic number, because the mean of its divisors is an integer number (4961100).

Almost surely, 2^26789913 is an apocalyptic number.

It is an amenable number.

26789913 is a deficient number, since it is larger than the sum of its proper divisors (12898887).

26789913 is an equidigital number, since it uses as much as digits as its factorization.

26789913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992228 (or 992222 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 26789913 is about 5175.8973135100. The cubic root of 26789913 is about 299.2198730985.

The spelling of 26789913 in words is "twenty-six million, seven hundred eighty-nine thousand, nine hundred thirteen".