26057397 has 8 divisors (see below), whose sum is σ = 35398944. Its totient is φ = 17043728.

The previous prime is 26057393. The next prime is 26057419. The reversal of 26057397 is 79375062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26057397 - 2² = 26057393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26057393) 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, 81783 + ... + 82100.

It is an arithmetic number, because the mean of its divisors is an integer number (4424868).

Almost surely, 2^26057397 is an apocalyptic number.

It is an amenable number.

26057397 is a deficient number, since it is larger than the sum of its proper divisors (9341547).

26057397 is a wasteful number, since it uses less digits than its factorization.

26057397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163939.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 26057397 is about 5104.6446497283. The cubic root of 26057397 is about 296.4674445533.

The spelling of 26057397 in words is "twenty-six million, fifty-seven thousand, three hundred ninety-seven".