6111887 has 4 divisors (see below), whose sum is σ = 6142800. Its totient is φ = 6080976.

The previous prime is 6111881. The next prime is 6111913. The reversal of 6111887 is 7881116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111887 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 (6111881) 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, 15158 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (1535700).

Almost surely, 2^6111887 is an apocalyptic number.

6111887 is a deficient number, since it is larger than the sum of its proper divisors (30913).

6111887 is a wasteful number, since it uses less digits than its factorization.

6111887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30912.

The product of its digits is 2688, while the sum is 32.

The square root of 6111887 is about 2472.2230886390. The cubic root of 6111887 is about 182.8346222090.

The spelling of 6111887 in words is "six million, one hundred eleven thousand, eight hundred eighty-seven".