82249802 has 8 divisors (see below), whose sum is σ = 123576516. Its totient is φ = 41057632.

The previous prime is 82249793. The next prime is 82249807. The reversal of 82249802 is 20894228.

It can be written as a sum of positive squares in 2 ways, for example, as 50112241 + 32137561 = 7079^2 + 5669^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82249807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32093 + ... + 34560.

Almost surely, 2^82249802 is an apocalyptic number.

82249802 is a deficient number, since it is larger than the sum of its proper divisors (41326714).

82249802 is a wasteful number, since it uses less digits than its factorization.

82249802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67272.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 82249802 is about 9069.1676575086. The cubic root of 82249802 is about 434.8888640209. Note that the first 4 decimals are identical.

The spelling of 82249802 in words is "eighty-two million, two hundred forty-nine thousand, eight hundred two".