26879797 has 16 divisors (see below), whose sum is σ = 32041600. Its totient is φ = 22068288.

The previous prime is 26879789. The next prime is 26879849. The reversal of 26879797 is 79797862.

It is a cyclic number.

It is not a de Polignac number, because 26879797 - 2³ = 26879789 is a prime.

It is a super-2 number, since 2×26879797² = 1445046973522418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26879707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16579 + ... + 18127.

It is an arithmetic number, because the mean of its divisors is an integer number (2002600).

Almost surely, 2^26879797 is an apocalyptic number.

It is an amenable number.

26879797 is a deficient number, since it is larger than the sum of its proper divisors (5161803).

26879797 is a wasteful number, since it uses less digits than its factorization.

26879797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its digits is 2667168, while the sum is 55.

The square root of 26879797 is about 5184.5729814518. The cubic root of 26879797 is about 299.5541413990.

The spelling of 26879797 in words is "twenty-six million, eight hundred seventy-nine thousand, seven hundred ninety-seven".