11885887 has 8 divisors (see below), whose sum is σ = 13474160. Its totient is φ = 10393920.

The previous prime is 11885857. The next prime is 11885899. The reversal of 11885887 is 78858811.

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

It is a cyclic number.

It is not a de Polignac number, because 11885887 - 2¹⁹ = 11361599 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 (11885827) 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, 23814 + ... + 24307.

It is an arithmetic number, because the mean of its divisors is an integer number (1684270).

Almost surely, 2^11885887 is an apocalyptic number.

11885887 is a deficient number, since it is larger than the sum of its proper divisors (1588273).

11885887 is a wasteful number, since it uses less digits than its factorization.

11885887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48153.

The product of its digits is 143360, while the sum is 46.

The square root of 11885887 is about 3447.5914781192. The cubic root of 11885887 is about 228.2148316257.

The spelling of 11885887 in words is "eleven million, eight hundred eighty-five thousand, eight hundred eighty-seven".