26057091 has 16 divisors (see below), whose sum is σ = 36622080. Its totient is φ = 16447200.

The previous prime is 26057077. The next prime is 26057093. The reversal of 26057091 is 19075062.

It is not a de Polignac number, because 26057091 - 2¹⁸ = 25794947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26057093) 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, 5100 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (2288880).

Almost surely, 2^26057091 is an apocalyptic number.

26057091 is a deficient number, since it is larger than the sum of its proper divisors (10564989).

26057091 is a wasteful number, since it uses less digits than its factorization.

26057091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 26057091 is about 5104.6146769369. The cubic root of 26057091 is about 296.4662840461.

The spelling of 26057091 in words is "twenty-six million, fifty-seven thousand, ninety-one".