26442207747 has 6 divisors (see below), whose sum is σ = 38194300092. Its totient is φ = 17628138492.

The previous prime is 26442207719. The next prime is 26442207751. The reversal of 26442207747 is 74770224462.

It is not a de Polignac number, because 26442207747 - 2⁶ = 26442207683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26442207707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1469011533 + ... + 1469011550.

It is an arithmetic number, because the mean of its divisors is an integer number (6365716682).

Almost surely, 2^26442207747 is an apocalyptic number.

26442207747 is a deficient number, since it is larger than the sum of its proper divisors (11752092345).

26442207747 is a wasteful number, since it uses less digits than its factorization.

26442207747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938023089 (or 2938023086 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 26442207747 in words is "twenty-six billion, four hundred forty-two million, two hundred seven thousand, seven hundred forty-seven".