99982079 has 2 divisors, whose sum is σ = 99982080. Its totient is φ = 99982078.

The previous prime is 99982073. The next prime is 99982097. The reversal of 99982079 is 97028999.

Together with next prime (99982097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97028999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99982079 - 2⁸ = 99981823 is a prime.

It is a super-2 number, since 2×99982079² = 19992832242324482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99982079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99982073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991039 + 49991040.

It is an arithmetic number, because the mean of its divisors is an integer number (49991040).

Almost surely, 2^99982079 is an apocalyptic number.

99982079 is a deficient number, since it is larger than the sum of its proper divisors (1).

99982079 is an equidigital number, since it uses as much as digits as its factorization.

99982079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 99982079 is about 9999.1039098511. The cubic root of 99982079 is about 464.1311544003.

The spelling of 99982079 in words is "ninety-nine million, nine hundred eighty-two thousand, seventy-nine".