8821200438906 has 16 divisors (see below), whose sum is σ = 17644063343904. Its totient is φ = 2940123068624.

The previous prime is 8821200438857. The next prime is 8821200438931. The reversal of 8821200438906 is 6098340021288.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69200436 + ... + 69327791.

It is an arithmetic number, because the mean of its divisors is an integer number (1102753958994).

Almost surely, 2^{8821200438906} is an apocalyptic number.

8821200438906 is an abundant number, since it is smaller than the sum of its proper divisors (8822862904998).

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

8821200438906 is a wasteful number, since it uses less digits than its factorization.

8821200438906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138538845.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 8821200438906 in words is "eight trillion, eight hundred twenty-one billion, two hundred million, four hundred thirty-eight thousand, nine hundred six".