99768586 has 8 divisors (see below), whose sum is σ = 149830884. Its totient is φ = 49824960.

The previous prime is 99768577. The next prime is 99768593. The reversal of 99768586 is 68586799.

It can be written as a sum of positive squares in 2 ways, for example, as 99620361 + 148225 = 9981^2 + 385^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 99768586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27535 + ... + 30946.

Almost surely, 2^99768586 is an apocalyptic number.

99768586 is a deficient number, since it is larger than the sum of its proper divisors (50062298).

99768586 is a wasteful number, since it uses less digits than its factorization.

99768586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59336.

The product of its digits is 6531840, while the sum is 58.

The square root of 99768586 is about 9988.4225981884. The cubic root of 99768586 is about 463.8005639391.

The spelling of 99768586 in words is "ninety-nine million, seven hundred sixty-eight thousand, five hundred eighty-six".