83865480 has 64 divisors (see below), whose sum is σ = 257463360. Its totient is φ = 21842688.

The previous prime is 83865473. The next prime is 83865497. The reversal of 83865480 is 8456838.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (4022865).

Almost surely, 2^83865480 is an apocalyptic number.

It is an amenable number.

83865480 is an abundant number, since it is smaller than the sum of its proper divisors (173597880).

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

83865480 is a wasteful number, since it uses less digits than its factorization.

83865480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16310 (or 16306 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 83865480 is about 9157.8097818201. The cubic root of 83865480 is about 437.7180061794.

The spelling of 83865480 in words is "eighty-three million, eight hundred sixty-five thousand, four hundred eighty".