23797997487 has 48 divisors (see below), whose sum is σ = 38822004000. Its totient is φ = 13915265280.

The previous prime is 23797997453. The next prime is 23797997491. The reversal of 23797997487 is 78479979732.

23797997487 is a `hidden beast` number, since 2 + 3 + 79 + 79 + 9 + 7 + 487 = 666.

It is not a de Polignac number, because 23797997487 - 2⁶ = 23797997423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23797997087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5593453 + ... + 5597705.

It is an arithmetic number, because the mean of its divisors is an integer number (808791750).

Almost surely, 2^23797997487 is an apocalyptic number.

23797997487 is a deficient number, since it is larger than the sum of its proper divisors (15024006513).

23797997487 is a wasteful number, since it uses less digits than its factorization.

23797997487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248 (or 6245 counting only the distinct ones).

The product of its digits is 336063168, while the sum is 72.

The spelling of 23797997487 in words is "twenty-three billion, seven hundred ninety-seven million, nine hundred ninety-seven thousand, four hundred eighty-seven".