26328765 has 32 divisors (see below), whose sum is σ = 44577792. Its totient is φ = 13248000.

The previous prime is 26328749. The next prime is 26328779. The reversal of 26328765 is 56782362.

It is not a de Polignac number, because 26328765 - 2⁴ = 26328749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18375 + ... + 19755.

It is an arithmetic number, because the mean of its divisors is an integer number (1393056).

Almost surely, 2^26328765 is an apocalyptic number.

It is an amenable number.

26328765 is a deficient number, since it is larger than the sum of its proper divisors (18249027).

26328765 is a wasteful number, since it uses less digits than its factorization.

26328765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its digits is 120960, while the sum is 39.

The square root of 26328765 is about 5131.1563024332. The cubic root of 26328765 is about 297.4930535299.

The spelling of 26328765 in words is "twenty-six million, three hundred twenty-eight thousand, seven hundred sixty-five".