26416687789 has 48 divisors (see below), whose sum is σ = 29650821120. Its totient is φ = 23472530400.

The previous prime is 26416687771. The next prime is 26416687837. The reversal of 26416687789 is 98778661462.

It is not a de Polignac number, because 26416687789 - 2⁵ = 26416687757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26416687789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26416657789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61291404 + ... + 61291834.

It is an arithmetic number, because the mean of its divisors is an integer number (617725440).

Almost surely, 2^26416687789 is an apocalyptic number.

It is an amenable number.

26416687789 is a deficient number, since it is larger than the sum of its proper divisors (3234133331).

26416687789 is a wasteful number, since it uses less digits than its factorization.

26416687789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 591 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 64.

The spelling of 26416687789 in words is "twenty-six billion, four hundred sixteen million, six hundred eighty-seven thousand, seven hundred eighty-nine".