99982159 has 4 divisors (see below), whose sum is σ = 100037304. Its totient is φ = 99927016.

The previous prime is 99982133. The next prime is 99982193. The reversal of 99982159 is 95128999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99982159 - 2¹⁵ = 99949391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99982109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24757 + ... + 28510.

It is an arithmetic number, because the mean of its divisors is an integer number (25009326).

Almost surely, 2^99982159 is an apocalyptic number.

99982159 is a deficient number, since it is larger than the sum of its proper divisors (55145).

99982159 is a wasteful number, since it uses less digits than its factorization.

99982159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55144.

The product of its digits is 524880, while the sum is 52.

The square root of 99982159 is about 9999.1079102088. The cubic root of 99982159 is about 464.1312781907.

The spelling of 99982159 in words is "ninety-nine million, nine hundred eighty-two thousand, one hundred fifty-nine".