242587911875 has 20 divisors (see below), whose sum is σ = 306543968280. Its totient is φ = 191889720000.

The previous prime is 242587911869. The next prime is 242587911877. The reversal of 242587911875 is 578119785242.

It is a happy number.

It is not a de Polignac number, because 242587911875 - 2¹⁴ = 242587895491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242587911877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2124941 + ... + 2236190.

It is an arithmetic number, because the mean of its divisors is an integer number (15327198414).

Almost surely, 2^242587911875 is an apocalyptic number.

242587911875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242587911875 is a deficient number, since it is larger than the sum of its proper divisors (63956056405).

242587911875 is an frugal number, since it uses more digits than its factorization.

242587911875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361240 (or 4361225 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 59.

The spelling of 242587911875 in words is "two hundred forty-two billion, five hundred eighty-seven million, nine hundred eleven thousand, eight hundred seventy-five".