99982497 has 4 divisors (see below), whose sum is σ = 133310000. Its totient is φ = 66654996.

The previous prime is 99982483. The next prime is 99982499. The reversal of 99982497 is 79428999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99982497 - 2⁷ = 99982369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99982499) 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, 16663747 + ... + 16663752.

It is an arithmetic number, because the mean of its divisors is an integer number (33327500).

Almost surely, 2^99982497 is an apocalyptic number.

It is an amenable number.

99982497 is a deficient number, since it is larger than the sum of its proper divisors (33327503).

99982497 is a wasteful number, since it uses less digits than its factorization.

99982497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33327502.

The product of its digits is 2939328, while the sum is 57.

The square root of 99982497 is about 9999.1248117023. The cubic root of 99982497 is about 464.1318012047.

The spelling of 99982497 in words is "ninety-nine million, nine hundred eighty-two thousand, four hundred ninety-seven".