26879785 has 4 divisors (see below), whose sum is σ = 32255748. Its totient is φ = 21503824.

The previous prime is 26879779. The next prime is 26879789. The reversal of 26879785 is 58797862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58797862 = 2 ⋅29398931.

It can be written as a sum of positive squares in 2 ways, for example, as 10061584 + 16818201 = 3172^2 + 4101^2 .

It is a cyclic number.

It is not a de Polignac number, because 26879785 - 2³ = 26879777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26879789) 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, 2687974 + ... + 2687983.

It is an arithmetic number, because the mean of its divisors is an integer number (8063937).

Almost surely, 2^26879785 is an apocalyptic number.

It is an amenable number.

26879785 is a deficient number, since it is larger than the sum of its proper divisors (5375963).

26879785 is an equidigital number, since it uses as much as digits as its factorization.

26879785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375962.

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

The square root of 26879785 is about 5184.5718241722. The cubic root of 26879785 is about 299.5540968221.

The spelling of 26879785 in words is "twenty-six million, eight hundred seventy-nine thousand, seven hundred eighty-five".