82989150 has 96 divisors (see below), whose sum is σ = 222783360. Its totient is φ = 20373120.

The previous prime is 82989091. The next prime is 82989173. The reversal of 82989150 is 5198928.

It is a happy number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 105057 + ... + 105843.

It is an arithmetic number, because the mean of its divisors is an integer number (2320660).

Almost surely, 2^82989150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82989150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111391680).

82989150 is an abundant number, since it is smaller than the sum of its proper divisors (139794210).

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

82989150 is a wasteful number, since it uses less digits than its factorization.

82989150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 82989150 is about 9109.8380885722. The cubic root of 82989150 is about 436.1880589008.

The spelling of 82989150 in words is "eighty-two million, nine hundred eighty-nine thousand, one hundred fifty".