22977593487 has 16 divisors (see below), whose sum is σ = 34300738560. Its totient is φ = 15201459000.

The previous prime is 22977593413. The next prime is 22977593497. The reversal of 22977593487 is 78439577922.

It is not a de Polignac number, because 22977593487 - 2²³ = 22969204879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22977593497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3244639 + ... + 3251712.

It is an arithmetic number, because the mean of its divisors is an integer number (2143796160).

Almost surely, 2^22977593487 is an apocalyptic number.

22977593487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22977593487 is a deficient number, since it is larger than the sum of its proper divisors (11323145073).

22977593487 is a wasteful number, since it uses less digits than its factorization.

22977593487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496491 (or 6496485 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The spelling of 22977593487 in words is "twenty-two billion, nine hundred seventy-seven million, five hundred ninety-three thousand, four hundred eighty-seven".