858880220711 has 4 divisors (see below), whose sum is σ = 858974581152. Its totient is φ = 858785860272.

The previous prime is 858880220683. The next prime is 858880220719. The reversal of 858880220711 is 117022088858.

858880220711 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858880220711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 858880220711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858880220719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47166566 + ... + 47184771.

It is an arithmetic number, because the mean of its divisors is an integer number (214743645288).

Almost surely, 2^858880220711 is an apocalyptic number.

858880220711 is a deficient number, since it is larger than the sum of its proper divisors (94360441).

858880220711 is an equidigital number, since it uses as much as digits as its factorization.

858880220711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94360440.

The product of its (nonzero) digits is 573440, while the sum is 50.

The spelling of 858880220711 in words is "eight hundred fifty-eight billion, eight hundred eighty million, two hundred twenty thousand, seven hundred eleven".