26680797 has 24 divisors (see below), whose sum is σ = 45278688. Its totient is φ = 14925600.

The previous prime is 26680793. The next prime is 26680813. The reversal of 26680797 is 79708662.

It is a happy number.

It is not a de Polignac number, because 26680797 - 2² = 26680793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26680793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9079 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (1886612).

Almost surely, 2^26680797 is an apocalyptic number.

It is an amenable number.

26680797 is a deficient number, since it is larger than the sum of its proper divisors (18597891).

26680797 is a wasteful number, since it uses less digits than its factorization.

26680797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20761 (or 20758 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 26680797 is about 5165.3457773899. The cubic root of 26680797 is about 298.8130769049.

The spelling of 26680797 in words is "twenty-six million, six hundred eighty thousand, seven hundred ninety-seven".