23874484487 has 4 divisors (see below), whose sum is σ = 27285125136. Its totient is φ = 20463843840.

The previous prime is 23874484481. The next prime is 23874484489. The reversal of 23874484487 is 78448447832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23874484487 - 2⁴ = 23874484471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23874484481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705320314 + ... + 1705320327.

It is an arithmetic number, because the mean of its divisors is an integer number (6821281284).

Almost surely, 2^23874484487 is an apocalyptic number.

23874484487 is a deficient number, since it is larger than the sum of its proper divisors (3410640649).

23874484487 is an equidigital number, since it uses as much as digits as its factorization.

23874484487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410640648.

The product of its digits is 38535168, while the sum is 59.

The spelling of 23874484487 in words is "twenty-three billion, eight hundred seventy-four million, four hundred eighty-four thousand, four hundred eighty-seven".