4118887861 has 8 divisors (see below), whose sum is σ = 4511979648. Its totient is φ = 3728904000.

The previous prime is 4118887847. The next prime is 4118887867. The reversal of 4118887861 is 1687888114.

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 4118887861 - 2²¹ = 4116790709 is a prime.

It is a super-2 number, since 2×4118887861² = 33930474422986310642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4118887799 and 4118887808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4118887867) 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, 774205 + ... + 779506.

It is an arithmetic number, because the mean of its divisors is an integer number (563997456).

Almost surely, 2^4118887861 is an apocalyptic number.

It is an amenable number.

4118887861 is a deficient number, since it is larger than the sum of its proper divisors (393091787).

4118887861 is a wasteful number, since it uses less digits than its factorization.

4118887861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553963.

The product of its digits is 688128, while the sum is 52.

The square root of 4118887861 is about 64178.5623163997. The cubic root of 4118887861 is about 1602.9746564440.

The spelling of 4118887861 in words is "four billion, one hundred eighteen million, eight hundred eighty-seven thousand, eight hundred sixty-one".