83981255 has 8 divisors (see below), whose sum is σ = 100997952. Its totient is φ = 67038048.

The previous prime is 83981239. The next prime is 83981269. The reversal of 83981255 is 55218938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83981255 - 2⁴ = 83981239 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 15824 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (12624744).

Almost surely, 2^83981255 is an apocalyptic number.

83981255 is a deficient number, since it is larger than the sum of its proper divisors (17016697).

83981255 is a wasteful number, since it uses less digits than its factorization.

83981255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36745.

The product of its digits is 86400, while the sum is 41.

The square root of 83981255 is about 9164.1287092664. The cubic root of 83981255 is about 437.9193345469.

The spelling of 83981255 in words is "eighty-three million, nine hundred eighty-one thousand, two hundred fifty-five".