28998803131199 has 32 divisors (see below), whose sum is σ = 32626081635840. Its totient is φ = 25546795344000.

The previous prime is 28998803131159. The next prime is 28998803131229. The reversal of 28998803131199 is 99113130889982.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28998803131199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28998803131159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56669417 + ... + 57178845.

It is an arithmetic number, because the mean of its divisors is an integer number (1019565051120).

Almost surely, 2^{28998803131199} is an apocalyptic number.

28998803131199 is a deficient number, since it is larger than the sum of its proper divisors (3627278504641).

28998803131199 is a wasteful number, since it uses less digits than its factorization.

28998803131199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510431.

The product of its (nonzero) digits is 60466176, while the sum is 71.

The spelling of 28998803131199 in words is "twenty-eight trillion, nine hundred ninety-eight billion, eight hundred three million, one hundred thirty-one thousand, one hundred ninety-nine".