82109950 has 24 divisors (see below), whose sum is σ = 164473848. Its totient is φ = 30317280.

The previous prime is 82109939. The next prime is 82109953. The reversal of 82109950 is 5990128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82109953) 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 11 ways as a sum of consecutive naturals, for example, 62512 + ... + 63811.

It is an arithmetic number, because the mean of its divisors is an integer number (6853077).

Almost surely, 2^82109950 is an apocalyptic number.

82109950 is an abundant number, since it is smaller than the sum of its proper divisors (82363898).

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

82109950 is a wasteful number, since it uses less digits than its factorization.

82109950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126348 (or 126343 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 82109950 is about 9061.4540775750. The cubic root of 82109950 is about 434.6422389836.

The spelling of 82109950 in words is "eighty-two million, one hundred nine thousand, nine hundred fifty".