99507982 has 16 divisors (see below), whose sum is σ = 178002432. Its totient is φ = 40791960.

The previous prime is 99507971. The next prime is 99507983. The reversal of 99507982 is 28970599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99507983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154194 + ... + 154837.

It is an arithmetic number, because the mean of its divisors is an integer number (11125152).

Almost surely, 2^99507982 is an apocalyptic number.

99507982 is a deficient number, since it is larger than the sum of its proper divisors (78494450).

99507982 is a wasteful number, since it uses less digits than its factorization.

99507982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309063.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 99507982 is about 9975.3687651134. The cubic root of 99507982 is about 463.3963830260.

It can be divided in two parts, 99507 and 982, that added together give a square (100489 = 317²).

The spelling of 99507982 in words is "ninety-nine million, five hundred seven thousand, nine hundred eighty-two".