26422257907 has 4 divisors (see below), whose sum is σ = 27812903080. Its totient is φ = 25031612736.

The previous prime is 26422257887. The next prime is 26422257913. The reversal of 26422257907 is 70975222462.

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-26422257907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26422257977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695322558 + ... + 695322595.

It is an arithmetic number, because the mean of its divisors is an integer number (6953225770).

Almost surely, 2^26422257907 is an apocalyptic number.

26422257907 is a deficient number, since it is larger than the sum of its proper divisors (1390645173).

26422257907 is a wasteful number, since it uses less digits than its factorization.

26422257907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390645172.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 26422257907 in words is "twenty-six billion, four hundred twenty-two million, two hundred fifty-seven thousand, nine hundred seven".