99985782 has 32 divisors (see below), whose sum is σ = 216340992. Its totient is φ = 30623904.

The previous prime is 99985777. The next prime is 99985799. The reversal of 99985782 is 28758999.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14883 + ... + 20529.

It is an arithmetic number, because the mean of its divisors is an integer number (6760656).

Almost surely, 2^99985782 is an apocalyptic number.

99985782 is an abundant number, since it is smaller than the sum of its proper divisors (116355210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99985782 is a wasteful number, since it uses less digits than its factorization.

99985782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892.

The product of its digits is 3265920, while the sum is 57.

The square root of 99985782 is about 9999.2890747293. The cubic root of 99985782 is about 464.1368842820.

The spelling of 99985782 in words is "ninety-nine million, nine hundred eighty-five thousand, seven hundred eighty-two".