8900239988929 has 9 divisors (see below), whose sum is σ = 9048722476131. Its totient is φ = 8754155415720.

The previous prime is 8900239988923. The next prime is 8900239988933. The reversal of 8900239988929 is 9298899320098.

The square root of 8900239988929 is 2983327.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 289419252529 + 8610820736400 = 537977^2 + 2934420^2 .

It is not a de Polignac number, because 8900239988929 - 2¹¹ = 8900239986881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8900239988923) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 181958494 + ... + 182007400.

It is an arithmetic number, because the mean of its divisors is an integer number (1005413608459).

Almost surely, 2^{8900239988929} is an apocalyptic number.

8900239988929 is the 2983327-th square number.

8900239988929 is the 1491664-th centered octagonal number.

It is an amenable number.

8900239988929 is a deficient number, since it is larger than the sum of its proper divisors (148482487202).

8900239988929 is an frugal number, since it uses more digits than its factorization.

8900239988929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97936 (or 48968 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 76.

The spelling of 8900239988929 in words is "eight trillion, nine hundred billion, two hundred thirty-nine million, nine hundred eighty-eight thousand, nine hundred twenty-nine".