22977727550 has 24 divisors (see below), whose sum is σ = 42746214216. Its totient is φ = 9189447840.

The previous prime is 22977727523. The next prime is 22977727571. The reversal of 22977727550 is 5572777922.

It is a junction number, because it is equal to n+sod(n) for n = 22977727492 and 22977727501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263789 + ... + 339911.

It is an arithmetic number, because the mean of its divisors is an integer number (1781092259).

Almost surely, 2^22977727550 is an apocalyptic number.

22977727550 is a deficient number, since it is larger than the sum of its proper divisors (19768486666).

22977727550 is a wasteful number, since it uses less digits than its factorization.

22977727550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82172 (or 82167 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 53.

The spelling of 22977727550 in words is "twenty-two billion, nine hundred seventy-seven million, seven hundred twenty-seven thousand, five hundred fifty".