22627877378 has 6 divisors (see below), whose sum is σ = 33942135171. Its totient is φ = 11313832322.

The previous prime is 22627877339. The next prime is 22627877383. The reversal of 22627877378 is 87377872622.

It can be written as a sum of positive squares in only one way, i.e., 11313938689 + 11313938689 = 106367^2 + 106367^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106367.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 159551 + ... + 265917.

Almost surely, 2^22627877378 is an apocalyptic number.

22627877378 is a deficient number, since it is larger than the sum of its proper divisors (11314257793).

22627877378 is an frugal number, since it uses more digits than its factorization.

22627877378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212736 (or 106369 counting only the distinct ones).

The product of its digits is 22127616, while the sum is 59.

The spelling of 22627877378 in words is "twenty-two billion, six hundred twenty-seven million, eight hundred seventy-seven thousand, three hundred seventy-eight".