82865150 has 12 divisors (see below), whose sum is σ = 154129272. Its totient is φ = 33146040.

The previous prime is 82865149. The next prime is 82865173. The reversal of 82865150 is 5156828.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82865150.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 828602 + ... + 828701.

It is an arithmetic number, because the mean of its divisors is an integer number (12844106).

Almost surely, 2^82865150 is an apocalyptic number.

82865150 is a deficient number, since it is larger than the sum of its proper divisors (71264122).

82865150 is a wasteful number, since it uses less digits than its factorization.

82865150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657315 (or 1657310 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 82865150 is about 9103.0297154299. The cubic root of 82865150 is about 435.9707040608.

The spelling of 82865150 in words is "eighty-two million, eight hundred sixty-five thousand, one hundred fifty".