26315789 has 8 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 25270000.

The previous prime is 26315759. The next prime is 26315801. The reversal of 26315789 is 98751362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26315789 - 2⁸ = 26315533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26315759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 7914.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^26315789 is an apocalyptic number.

26315789 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

26315789 is a deficient number, since it is larger than the sum of its proper divisors (1055731).

26315789 is a wasteful number, since it uses less digits than its factorization.

26315789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971.

The product of its digits is 90720, while the sum is 41.

The square root of 26315789 is about 5129.8917142567. The cubic root of 26315789 is about 297.4441728448. Note that the first 3 decimals are identical.

The spelling of 26315789 in words is "twenty-six million, three hundred fifteen thousand, seven hundred eighty-nine".