82485874 has 4 divisors (see below), whose sum is σ = 123728814. Its totient is φ = 41242936.

The previous prime is 82485841. The next prime is 82485899. The reversal of 82485874 is 47858428.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59397849 + 23088025 = 7707^2 + 4805^2 .

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 as a sum of consecutive naturals, namely, 20621467 + ... + 20621470.

Almost surely, 2^82485874 is an apocalyptic number.

82485874 is a deficient number, since it is larger than the sum of its proper divisors (41242940).

82485874 is a wasteful number, since it uses less digits than its factorization.

82485874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41242939.

The product of its digits is 573440, while the sum is 46.

The square root of 82485874 is about 9082.1734182959. The cubic root of 82485874 is about 435.3045368258.

The spelling of 82485874 in words is "eighty-two million, four hundred eighty-five thousand, eight hundred seventy-four".