8818205770872 has 40 divisors (see below), whose sum is σ = 24699141165600. Its totient is φ = 2939401923408.

The previous prime is 8818205770859. The next prime is 8818205770931. The reversal of 8818205770872 is 2780775028188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6804170472 + ... + 6804171767.

It is an arithmetic number, because the mean of its divisors is an integer number (617478529140).

Almost surely, 2^{8818205770872} is an apocalyptic number.

It is an amenable number.

8818205770872 is an abundant number, since it is smaller than the sum of its proper divisors (15880935394728).

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

8818205770872 is a wasteful number, since it uses less digits than its factorization.

8818205770872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608342257 (or 13608342244 counting only the distinct ones).

The product of its (nonzero) digits is 28098560, while the sum is 63.

The spelling of 8818205770872 in words is "eight trillion, eight hundred eighteen billion, two hundred five million, seven hundred seventy thousand, eight hundred seventy-two".