23977567489 has 8 divisors (see below), whose sum is σ = 24889317120. Its totient is φ = 23074460400.

The previous prime is 23977567487. The next prime is 23977567501. The reversal of 23977567489 is 98476577932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23977567489 - 2¹ = 23977567487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23977567487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154982 + ... + 2166079.

It is an arithmetic number, because the mean of its divisors is an integer number (3111164640).

Almost surely, 2^23977567489 is an apocalyptic number.

It is an amenable number.

23977567489 is a deficient number, since it is larger than the sum of its proper divisors (911749631).

23977567489 is a wasteful number, since it uses less digits than its factorization.

23977567489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321271.

The product of its digits is 160030080, while the sum is 67.

The spelling of 23977567489 in words is "twenty-three billion, nine hundred seventy-seven million, five hundred sixty-seven thousand, four hundred eighty-nine".