26797947 has 16 divisors (see below), whose sum is σ = 39067392. Its totient is φ = 16204320.

The previous prime is 26797931. The next prime is 26797951. The reversal of 26797947 is 74979762.

It is a happy number.

It is not a de Polignac number, because 26797947 - 2⁴ = 26797931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26797947.

It is not an unprimeable number, because it can be changed into a prime (26797907) 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, 23433 + ... + 24549.

It is an arithmetic number, because the mean of its divisors is an integer number (2441712).

Almost surely, 2^26797947 is an apocalyptic number.

26797947 is a deficient number, since it is larger than the sum of its proper divisors (12269445).

26797947 is a wasteful number, since it uses less digits than its factorization.

26797947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its digits is 1333584, while the sum is 51.

The square root of 26797947 is about 5176.6733526465. The cubic root of 26797947 is about 299.2497810244.

The spelling of 26797947 in words is "twenty-six million, seven hundred ninety-seven thousand, nine hundred forty-seven".