899880152821 has 8 divisors (see below), whose sum is σ = 969317938400. Its totient is φ = 830473258032.

The previous prime is 899880152777. The next prime is 899880152827. The reversal of 899880152821 is 128251088998.

899880152821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 899880152821 - 2¹¹ = 899880150773 is a prime.

It is a super-2 number, since 2×899880152821² (a number of 25 digits) contains 22 as substring.

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 899880152821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899880152827) 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, 7662171 + ... + 7778728.

It is an arithmetic number, because the mean of its divisors is an integer number (121164742300).

Almost surely, 2^899880152821 is an apocalyptic number.

It is an amenable number.

899880152821 is a deficient number, since it is larger than the sum of its proper divisors (69437785579).

899880152821 is a wasteful number, since it uses less digits than its factorization.

899880152821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445395.

The product of its (nonzero) digits is 6635520, while the sum is 61.

The spelling of 899880152821 in words is "eight hundred ninety-nine billion, eight hundred eighty million, one hundred fifty-two thousand, eight hundred twenty-one".