26945997 has 16 divisors (see below), whose sum is σ = 38810688. Its totient is φ = 16531200.

The previous prime is 26945981. The next prime is 26946001. The reversal of 26945997 is 79954962.

It is not a de Polignac number, because 26945997 - 2⁴ = 26945981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26945797) 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, 14778 + ... + 16500.

It is an arithmetic number, because the mean of its divisors is an integer number (2425668).

Almost surely, 2^26945997 is an apocalyptic number.

It is an amenable number.

26945997 is a deficient number, since it is larger than the sum of its proper divisors (11864691).

26945997 is a wasteful number, since it uses less digits than its factorization.

26945997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140.

The product of its digits is 1224720, while the sum is 51.

The square root of 26945997 is about 5190.9533806421. The cubic root of 26945997 is about 299.7998553924.

The spelling of 26945997 in words is "twenty-six million, nine hundred forty-five thousand, nine hundred ninety-seven".