899999272999999 has 8 divisors (see below), whose sum is σ = 939139314664320. Its totient is φ = 860860034543256.

The previous prime is 899999272999913. The next prime is 899999273000017. The reversal of 899999272999999 is 999999272999998.

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 899999272999999 - 2²¹ = 899999270902847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899999272199999) 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, 198511597 + ... + 202994710.

It is an arithmetic number, because the mean of its divisors is an integer number (117392414333040).

Almost surely, 2^{899999272999999} is an apocalyptic number.

899999272999999 is a deficient number, since it is larger than the sum of its proper divisors (39140041664321).

899999272999999 is a wasteful number, since it uses less digits than its factorization.

899999272999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401603789.

The product of its digits is 7029357352416, while the sum is 118.

Subtracting 899999272999999 from its reverse (999999272999998), we obtain a palindrome (99999999999999).

The spelling of 899999272999999 in words is "eight hundred ninety-nine trillion, nine hundred ninety-nine billion, two hundred seventy-two million, nine hundred ninety-nine thousand, nine hundred ninety-nine".