11877887 has 16 divisors (see below), whose sum is σ = 14069760. Its totient is φ = 9816768.

The previous prime is 11877871. The next prime is 11877889. The reversal of 11877887 is 78877811.

It is a cyclic number.

It is not a de Polignac number, because 11877887 - 2⁴ = 11877871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25763 + ... + 26219.

It is an arithmetic number, because the mean of its divisors is an integer number (879360).

Almost surely, 2^11877887 is an apocalyptic number.

11877887 is a deficient number, since it is larger than the sum of its proper divisors (2191873).

11877887 is an equidigital number, since it uses as much as digits as its factorization.

11877887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 175616, while the sum is 47.

The square root of 11877887 is about 3446.4310525528. The cubic root of 11877887 is about 228.1636188325.

The spelling of 11877887 in words is "eleven million, eight hundred seventy-seven thousand, eight hundred eighty-seven".