22959663897 has 24 divisors (see below), whose sum is σ = 32428525440. Its totient is φ = 14447147040.

The previous prime is 22959663893. The next prime is 22959663929. The reversal of 22959663897 is 79836695922.

It is not a de Polignac number, because 22959663897 - 2² = 22959663893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22959663893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254379 + ... + 332607.

It is an arithmetic number, because the mean of its divisors is an integer number (1351188560).

Almost surely, 2^22959663897 is an apocalyptic number.

It is an amenable number.

22959663897 is a deficient number, since it is larger than the sum of its proper divisors (9468861543).

22959663897 is a wasteful number, since it uses less digits than its factorization.

22959663897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78541 (or 78522 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 66.

The spelling of 22959663897 in words is "twenty-two billion, nine hundred fifty-nine million, six hundred sixty-three thousand, eight hundred ninety-seven".