26779885 has 8 divisors (see below), whose sum is σ = 35057376. Its totient is φ = 19476240.

The previous prime is 26779861. The next prime is 26779891. The reversal of 26779885 is 58897762.

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

It is not a de Polignac number, because 26779885 - 2⁹ = 26779373 is a prime.

It is a super-2 number, since 2×26779885² = 1434324481226450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243399 + ... + 243508.

It is an arithmetic number, because the mean of its divisors is an integer number (4382172).

Almost surely, 2^26779885 is an apocalyptic number.

It is an amenable number.

26779885 is a deficient number, since it is larger than the sum of its proper divisors (8277491).

26779885 is a wasteful number, since it uses less digits than its factorization.

26779885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486923.

The product of its digits is 1693440, while the sum is 52.

The square root of 26779885 is about 5174.9285019215. The cubic root of 26779885 is about 299.1825337791.

The spelling of 26779885 in words is "twenty-six million, seven hundred seventy-nine thousand, eight hundred eighty-five".