899889019422 has 8 divisors (see below), whose sum is σ = 1799778038856. Its totient is φ = 299963006472.

The previous prime is 899889019391. The next prime is 899889019423. The reversal of 899889019422 is 224910988998.

It is a sphenic number, since it is the product of 3 distinct primes.

899889019422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899889019423) 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, 74990751613 + ... + 74990751624.

It is an arithmetic number, because the mean of its divisors is an integer number (224972254857).

Almost surely, 2^899889019422 is an apocalyptic number.

899889019422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

899889019422 is a wasteful number, since it uses less digits than its factorization.

899889019422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149981503242.

The product of its (nonzero) digits is 53747712, while the sum is 69.

The spelling of 899889019422 in words is "eight hundred ninety-nine billion, eight hundred eighty-nine million, nineteen thousand, four hundred twenty-two".