82485816 has 48 divisors (see below), whose sum is σ = 239885640. Its totient is φ = 23567040.

The previous prime is 82485811. The next prime is 82485841. The reversal of 82485816 is 61858428.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82485811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33895 + ... + 36246.

Almost surely, 2^82485816 is an apocalyptic number.

It is an amenable number.

82485816 is an abundant number, since it is smaller than the sum of its proper divisors (157399824).

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

82485816 is a wasteful number, since it uses less digits than its factorization.

82485816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70164 (or 70153 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 82485816 is about 9082.1702252270. The cubic root of 82485816 is about 435.3044347975.

The spelling of 82485816 in words is "eighty-two million, four hundred eighty-five thousand, eight hundred sixteen".