26465978 has 24 divisors (see below), whose sum is σ = 50380704. Its totient is φ = 10311000.

The previous prime is 26465977. The next prime is 26465983. The reversal of 26465978 is 87956462.

It is not an unprimeable number, because it can be changed into a prime (26465977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11198 + ... + 13353.

It is an arithmetic number, because the mean of its divisors is an integer number (2099196).

Almost surely, 2^26465978 is an apocalyptic number.

26465978 is a deficient number, since it is larger than the sum of its proper divisors (23914726).

26465978 is a wasteful number, since it uses less digits than its factorization.

26465978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24578 (or 24571 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 26465978 is about 5144.5095004286. The cubic root of 26465978 is about 298.0089557839.

The spelling of 26465978 in words is "twenty-six million, four hundred sixty-five thousand, nine hundred seventy-eight".