4285687800866 has 4 divisors (see below), whose sum is σ = 6428531701302. Its totient is φ = 2142843900432.

The previous prime is 4285687800839. The next prime is 4285687800931. The reversal of 4285687800866 is 6680087865824.

4285687800866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2971214085841 + 1314473715025 = 1723721^2 + 1146505^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4285687800796 and 4285687800805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071421950215 + ... + 1071421950218.

Almost surely, 2^{4285687800866} is an apocalyptic number.

4285687800866 is a deficient number, since it is larger than the sum of its proper divisors (2142843900436).

4285687800866 is a wasteful number, since it uses less digits than its factorization.

4285687800866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142843900435.

The product of its (nonzero) digits is 247726080, while the sum is 68.

The spelling of 4285687800866 in words is "four trillion, two hundred eighty-five billion, six hundred eighty-seven million, eight hundred thousand, eight hundred sixty-six".