26216928579 has 4 divisors (see below), whose sum is σ = 34955904776. Its totient is φ = 17477952384.

The previous prime is 26216928553. The next prime is 26216928587. The reversal of 26216928579 is 97582961262.

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

It is not a de Polignac number, because 26216928579 - 2¹¹ = 26216926531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26216928589) 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, 4369488094 + ... + 4369488099.

It is an arithmetic number, because the mean of its divisors is an integer number (8738976194).

Almost surely, 2^26216928579 is an apocalyptic number.

26216928579 is a deficient number, since it is larger than the sum of its proper divisors (8738976197).

26216928579 is an equidigital number, since it uses as much as digits as its factorization.

26216928579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738976196.

The product of its digits is 6531840, while the sum is 57.

The spelling of 26216928579 in words is "twenty-six billion, two hundred sixteen million, nine hundred twenty-eight thousand, five hundred seventy-nine".