26863379 has 4 divisors (see below), whose sum is σ = 28031376. Its totient is φ = 25695384.

The previous prime is 26863373. The next prime is 26863381. The reversal of 26863379 is 97336862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26863379 - 2¹⁶ = 26797843 is a prime.

It is a super-2 number, since 2×26863379² = 1443282262595282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26863373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583964 + ... + 584009.

It is an arithmetic number, because the mean of its divisors is an integer number (7007844).

Almost surely, 2^26863379 is an apocalyptic number.

26863379 is a deficient number, since it is larger than the sum of its proper divisors (1167997).

26863379 is a wasteful number, since it uses less digits than its factorization.

26863379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167996.

The product of its digits is 326592, while the sum is 44.

The square root of 26863379 is about 5182.9893883742. The cubic root of 26863379 is about 299.4931404231.

The spelling of 26863379 in words is "twenty-six million, eight hundred sixty-three thousand, three hundred seventy-nine".