85155982 has 8 divisors (see below), whose sum is σ = 133287696. Its totient is φ = 40726752.

The previous prime is 85155979. The next prime is 85155989. The reversal of 85155982 is 28955158.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85155989) 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, 925563 + ... + 925654.

It is an arithmetic number, because the mean of its divisors is an integer number (16660962).

Almost surely, 2^85155982 is an apocalyptic number.

85155982 is a deficient number, since it is larger than the sum of its proper divisors (48131714).

85155982 is a wasteful number, since it uses less digits than its factorization.

85155982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851242.

The product of its digits is 144000, while the sum is 43.

The square root of 85155982 is about 9227.9998916342. Note that the first 3 decimals coincide. The cubic root of 85155982 is about 439.9517543520.

The spelling of 85155982 in words is "eighty-five million, one hundred fifty-five thousand, nine hundred eighty-two".