82378485 has 64 divisors (see below), whose sum is σ = 168652800. Its totient is φ = 37371456.

The previous prime is 82378477. The next prime is 82378519. The reversal of 82378485 is 58487328.

It is not a de Polignac number, because 82378485 - 2³ = 82378477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 82378485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 168912 + ... + 169398.

It is an arithmetic number, because the mean of its divisors is an integer number (2635200).

Almost surely, 2^82378485 is an apocalyptic number.

It is an amenable number.

82378485 is an abundant number, since it is smaller than the sum of its proper divisors (86274315).

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

82378485 is a wasteful number, since it uses less digits than its factorization.

82378485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 82378485 is about 9076.2594167421. The cubic root of 82378485 is about 435.1155460000.

The spelling of 82378485 in words is "eighty-two million, three hundred seventy-eight thousand, four hundred eighty-five".