8720188213 has 8 divisors (see below), whose sum is σ = 9581372640. Its totient is φ = 7870410480.

The previous prime is 8720188189. The next prime is 8720188229. The reversal of 8720188213 is 3128810278.

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 8720188213 - 2⁹ = 8720187701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720188273) 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, 2850070 + ... + 2853127.

It is an arithmetic number, because the mean of its divisors is an integer number (1197671580).

Almost surely, 2^8720188213 is an apocalyptic number.

It is an amenable number.

8720188213 is a deficient number, since it is larger than the sum of its proper divisors (861184427).

8720188213 is a wasteful number, since it uses less digits than its factorization.

8720188213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703347.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 8720188213 is about 93381.9480038835. The cubic root of 8720188213 is about 2058.2997417514.

The spelling of 8720188213 in words is "eight billion, seven hundred twenty million, one hundred eighty-eight thousand, two hundred thirteen".