99997682 has 4 divisors (see below), whose sum is σ = 149996526. Its totient is φ = 49998840.

The previous prime is 99997679. The next prime is 99997687. The reversal of 99997682 is 28679999.

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

It can be written as a sum of positive squares in only one way, i.e., 99221521 + 776161 = 9961^2 + 881^2 .

It is not an unprimeable number, because it can be changed into a prime (99997687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999419 + ... + 24999422.

Almost surely, 2^99997682 is an apocalyptic number.

99997682 is a deficient number, since it is larger than the sum of its proper divisors (49998844).

99997682 is a wasteful number, since it uses less digits than its factorization.

99997682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49998843.

The product of its digits is 4408992, while the sum is 59.

The square root of 99997682 is about 9999.8840993284. The cubic root of 99997682 is about 464.1552969326.

The spelling of 99997682 in words is "ninety-nine million, nine hundred ninety-seven thousand, six hundred eighty-two".