26429879 has 4 divisors (see below), whose sum is σ = 30205584. Its totient is φ = 22654176.

The previous prime is 26429873. The next prime is 26429891. The reversal of 26429879 is 97892462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26429879 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 (26429873) 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, 1887842 + ... + 1887855.

It is an arithmetic number, because the mean of its divisors is an integer number (7551396).

Almost surely, 2^26429879 is an apocalyptic number.

26429879 is a deficient number, since it is larger than the sum of its proper divisors (3775705).

26429879 is an equidigital number, since it uses as much as digits as its factorization.

26429879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775704.

The product of its digits is 435456, while the sum is 47.

The square root of 26429879 is about 5140.9998054853. Note that the first 3 decimals coincide. The cubic root of 26429879 is about 297.8734016251.

It can be divided in two parts, 2642 and 9879, that added together give a palindrome (12521).

The spelling of 26429879 in words is "twenty-six million, four hundred twenty-nine thousand, eight hundred seventy-nine".