9828805129 has 16 divisors (see below), whose sum is σ = 11596725504. Its totient is φ = 8212521600.

The previous prime is 9828805123. The next prime is 9828805169. The reversal of 9828805129 is 9215088289.

It is a cyclic number.

It is not a de Polignac number, because 9828805129 - 2²¹ = 9826707977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9828805123) 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, 114177 + ... + 180814.

It is an arithmetic number, because the mean of its divisors is an integer number (724795344).

Almost surely, 2^9828805129 is an apocalyptic number.

It is an amenable number.

9828805129 is a deficient number, since it is larger than the sum of its proper divisors (1767920375).

9828805129 is a wasteful number, since it uses less digits than its factorization.

9828805129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295248.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 9828805129 is about 99140.3304866390. The cubic root of 9828805129 is about 2142.0695855600.

The spelling of 9828805129 in words is "nine billion, eight hundred twenty-eight million, eight hundred five thousand, one hundred twenty-nine".