99982987 has 8 divisors (see below), whose sum is σ = 107754080. Its totient is φ = 92223360.

The previous prime is 99982957. The next prime is 99983017. The reversal of 99982987 is 78928999.

It is an interprime number because it is at equal distance from previous prime (99982957) and next prime (99983017).

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

It is a cyclic number.

It is not a de Polignac number, because 99982987 - 2⁷ = 99982859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99982937) 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, 26314 + ... + 29872.

It is an arithmetic number, because the mean of its divisors is an integer number (13469260).

Almost surely, 2^99982987 is an apocalyptic number.

99982987 is a deficient number, since it is larger than the sum of its proper divisors (7771093).

99982987 is a wasteful number, since it uses less digits than its factorization.

99982987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

The product of its digits is 5878656, while the sum is 61.

The square root of 99982987 is about 9999.1493138167. The cubic root of 99982987 is about 464.1325594181.

The spelling of 99982987 in words is "ninety-nine million, nine hundred eighty-two thousand, nine hundred eighty-seven".