26826997 has 8 divisors (see below), whose sum is σ = 28369152. Its totient is φ = 25327200.

The previous prime is 26826983. The next prime is 26827013. The reversal of 26826997 is 79962862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26826997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26826997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26826907) 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, 9283 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (3546144).

Almost surely, 2^26826997 is an apocalyptic number.

It is an amenable number.

26826997 is a deficient number, since it is larger than the sum of its proper divisors (1542155).

26826997 is a wasteful number, since it uses less digits than its factorization.

26826997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21179.

The product of its digits is 653184, while the sum is 49.

The square root of 26826997 is about 5179.4784486471. The cubic root of 26826997 is about 299.3578747125.

The spelling of 26826997 in words is "twenty-six million, eight hundred twenty-six thousand, nine hundred ninety-seven".