82455387 has 24 divisors (see below), whose sum is σ = 131018832. Its totient is φ = 45964800.

The previous prime is 82455379. The next prime is 82455419. The reversal of 82455387 is 78355428.

It is not a de Polignac number, because 82455387 - 2³ = 82455379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82455337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814 + ... + 12867.

It is an arithmetic number, because the mean of its divisors is an integer number (5459118).

Almost surely, 2^82455387 is an apocalyptic number.

82455387 is a deficient number, since it is larger than the sum of its proper divisors (48563445).

82455387 is a wasteful number, since it uses less digits than its factorization.

82455387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739 (or 13732 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 82455387 is about 9080.4948653694. The cubic root of 82455387 is about 435.2509003095.

The spelling of 82455387 in words is "eighty-two million, four hundred fifty-five thousand, three hundred eighty-seven".