9855867662 has 4 divisors (see below), whose sum is σ = 14783801496. Its totient is φ = 4927933830.

The previous prime is 9855867643. The next prime is 9855867677. The reversal of 9855867662 is 2667685589.

9855867662 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, and also an emirpimes, since its reverse is a distinct semiprime: 2667685589 = 971 ⋅2747359.

It is a junction number, because it is equal to n+sod(n) for n = 9855867595 and 9855867604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2463966914 + ... + 2463966917.

It is an arithmetic number, because the mean of its divisors is an integer number (3695950374).

Almost surely, 2^9855867662 is an apocalyptic number.

9855867662 is a deficient number, since it is larger than the sum of its proper divisors (4927933834).

9855867662 is a wasteful number, since it uses less digits than its factorization.

9855867662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927933833.

The product of its digits is 43545600, while the sum is 62.

The square root of 9855867662 is about 99276.7226594432. The cubic root of 9855867662 is about 2144.0337682119.

The spelling of 9855867662 in words is "nine billion, eight hundred fifty-five million, eight hundred sixty-seven thousand, six hundred sixty-two".