4287656889 has 8 divisors (see below), whose sum is σ = 6352084320. Its totient is φ = 2858437908.

The previous prime is 4287656881. The next prime is 4287656897. The reversal of 4287656889 is 9886567824.

4287656889 is a `hidden beast` number, since 428 + 76 + 5 + 68 + 89 = 666.

4287656889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4287656881) and next prime (4287656897).

It is not a de Polignac number, because 4287656889 - 2³ = 4287656881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4287656881) 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, 79401027 + ... + 79401080.

It is an arithmetic number, because the mean of its divisors is an integer number (794010540).

Almost surely, 2^4287656889 is an apocalyptic number.

It is an amenable number.

4287656889 is a deficient number, since it is larger than the sum of its proper divisors (2064427431).

4287656889 is a wasteful number, since it uses less digits than its factorization.

4287656889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158802116 (or 158802110 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The square root of 4287656889 is about 65480.2022675556. The cubic root of 4287656889 is about 1624.5759068760.

The spelling of 4287656889 in words is "four billion, two hundred eighty-seven million, six hundred fifty-six thousand, eight hundred eighty-nine".