99982157 has 8 divisors (see below), whose sum is σ = 110700192. Its totient is φ = 89535600.

The previous prime is 99982133. The next prime is 99982193. The reversal of 99982157 is 75128999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99982157 - 2¹⁴ = 99965773 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 (99982957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67094 + ... + 68567.

It is an arithmetic number, because the mean of its divisors is an integer number (13837524).

Almost surely, 2^99982157 is an apocalyptic number.

It is an amenable number.

99982157 is a deficient number, since it is larger than the sum of its proper divisors (10718035).

99982157 is a wasteful number, since it uses less digits than its factorization.

99982157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135739.

The product of its digits is 408240, while the sum is 50.

The square root of 99982157 is about 9999.1078101999. The cubic root of 99982157 is about 464.1312750960.

The spelling of 99982157 in words is "ninety-nine million, nine hundred eighty-two thousand, one hundred fifty-seven".