99782402 has 8 divisors (see below), whose sum is σ = 149716236. Its totient is φ = 49876992.

The previous prime is 99782387. The next prime is 99782413. The reversal of 99782402 is 20428799.

It can be written as a sum of positive squares in 2 ways, for example, as 85951441 + 13830961 = 9271^2 + 3719^2 .

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 99782402.

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, 8738 + ... + 16610.

Almost surely, 2^99782402 is an apocalyptic number.

99782402 is a deficient number, since it is larger than the sum of its proper divisors (49933834).

99782402 is a wasteful number, since it uses less digits than its factorization.

99782402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 99782402 is about 9989.1141749406. The cubic root of 99782402 is about 463.8219720566.

The spelling of 99782402 in words is "ninety-nine million, seven hundred eighty-two thousand, four hundred two".