83900255 has 4 divisors (see below), whose sum is σ = 100680312. Its totient is φ = 67120200.

The previous prime is 83900249. The next prime is 83900263. The reversal of 83900255 is 55200938.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83900255 - 2⁴ = 83900239 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 3 ways as a sum of consecutive naturals, for example, 8390021 + ... + 8390030.

It is an arithmetic number, because the mean of its divisors is an integer number (25170078).

Almost surely, 2^83900255 is an apocalyptic number.

83900255 is a deficient number, since it is larger than the sum of its proper divisors (16780057).

83900255 is a wasteful number, since it uses less digits than its factorization.

83900255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780056.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 83900255 is about 9159.7082377115. The cubic root of 83900255 is about 437.7784980539.

The spelling of 83900255 in words is "eighty-three million, nine hundred thousand, two hundred fifty-five".