22789626987 has 16 divisors (see below), whose sum is σ = 30450708000. Its totient is φ = 15160852224.

The previous prime is 22789626953. The next prime is 22789626997. The reversal of 22789626987 is 78962698722.

It is a de Polignac number, because none of the positive numbers 2^k-22789626987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22789626997) 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 15 ways as a sum of consecutive naturals, for example, 3202189 + ... + 3209297.

It is an arithmetic number, because the mean of its divisors is an integer number (1903169250).

Almost surely, 2^22789626987 is an apocalyptic number.

22789626987 is a deficient number, since it is larger than the sum of its proper divisors (7661081013).

22789626987 is a wasteful number, since it uses less digits than its factorization.

22789626987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230.

The product of its digits is 73156608, while the sum is 66.

The spelling of 22789626987 in words is "twenty-two billion, seven hundred eighty-nine million, six hundred twenty-six thousand, nine hundred eighty-seven".