998798000129 has 16 divisors (see below), whose sum is σ = 1059029524800. Its totient is φ = 938731368960.

The previous prime is 998798000107. The next prime is 998798000171. The reversal of 998798000129 is 921000897899.

It is a cyclic number.

It is not a de Polignac number, because 998798000129 - 2²⁸ = 998529564673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998798000329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81788834 + ... + 81801044.

It is an arithmetic number, because the mean of its divisors is an integer number (66189345300).

It is a Proth number, since it is equal to 59533 ⋅ 2²⁴ + 1 and 59533 < 2²⁴.

Almost surely, 2^998798000129 is an apocalyptic number.

It is an amenable number.

998798000129 is a deficient number, since it is larger than the sum of its proper divisors (60231524671).

998798000129 is a wasteful number, since it uses less digits than its factorization.

998798000129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560.

The product of its (nonzero) digits is 5878656, while the sum is 62.

The spelling of 998798000129 in words is "nine hundred ninety-eight billion, seven hundred ninety-eight million, one hundred twenty-nine", and thus it is an aban number.