26022779539 has 4 divisors (see below), whose sum is σ = 26035238680. Its totient is φ = 26010320400.

The previous prime is 26022779537. The next prime is 26022779551. The reversal of 26022779539 is 93597722062.

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 26022779539 - 2¹ = 26022779537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26022779533) 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, 6226437 + ... + 6230614.

It is an arithmetic number, because the mean of its divisors is an integer number (6508809670).

Almost surely, 2^26022779539 is an apocalyptic number.

26022779539 is a deficient number, since it is larger than the sum of its proper divisors (12459141).

26022779539 is a wasteful number, since it uses less digits than its factorization.

26022779539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12459140.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 26022779539 in words is "twenty-six billion, twenty-two million, seven hundred seventy-nine thousand, five hundred thirty-nine".