858863368860 has 48 divisors (see below), whose sum is σ = 2748362781696. Its totient is φ = 196311627072.

The previous prime is 858863368849. The next prime is 858863368861. The reversal of 858863368860 is 68863368858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858863368861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022455972 + ... + 1022456811.

It is an arithmetic number, because the mean of its divisors is an integer number (57257557952).

Almost surely, 2^858863368860 is an apocalyptic number.

It is an amenable number.

858863368860 is an abundant number, since it is smaller than the sum of its proper divisors (1889499412836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

858863368860 is a wasteful number, since it uses less digits than its factorization.

858863368860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044912802 (or 2044912800 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 69.

The spelling of 858863368860 in words is "eight hundred fifty-eight billion, eight hundred sixty-three million, three hundred sixty-eight thousand, eight hundred sixty".