26957 has 4 divisors (see below), whose sum is σ = 30816. Its totient is φ = 23100.

The previous prime is 26953. The next prime is 26959. The reversal of 26957 is 75962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26957 - 2² = 26953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 26957.

It is not an unprimeable number, because it can be changed into a prime (26951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (7704).

2²⁶⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

26957 is a deficient number, since it is larger than the sum of its proper divisors (3859).

26957 is an equidigital number, since it uses as much as digits as its factorization.

26957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858.

The product of its digits is 3780, while the sum is 29.

The square root of 26957 is about 164.1858702812. The cubic root of 26957 is about 29.9840656121.

The spelling of 26957 in words is "twenty-six thousand, nine hundred fifty-seven".