4287847861 has 8 divisors (see below), whose sum is σ = 4678135200. Its totient is φ = 3897641040.

The previous prime is 4287847859. The next prime is 4287847871. The reversal of 4287847861 is 1687487824.

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 4287847861 - 2¹ = 4287847859 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 (4287847871) 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, 166510 + ... + 190528.

It is an arithmetic number, because the mean of its divisors is an integer number (584766900).

Almost surely, 2^4287847861 is an apocalyptic number.

It is an amenable number.

4287847861 is a deficient number, since it is larger than the sum of its proper divisors (390287339).

4287847861 is a wasteful number, since it uses less digits than its factorization.

4287847861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40259.

The product of its digits is 4816896, while the sum is 55.

The square root of 4287847861 is about 65481.6604936069. The cubic root of 4287847861 is about 1624.6000260248.

It can be divided in two parts, 428784 and 7861, that added together give a triangular number (436645 = T₉₃₄).

The spelling of 4287847861 in words is "four billion, two hundred eighty-seven million, eight hundred forty-seven thousand, eight hundred sixty-one".