82775255 has 4 divisors (see below), whose sum is σ = 99330312. Its totient is φ = 66220200.

The previous prime is 82775237. The next prime is 82775281. The reversal of 82775255 is 55257728.

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

It is not a de Polignac number, because 82775255 - 2¹⁰ = 82774231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8277521 + ... + 8277530.

It is an arithmetic number, because the mean of its divisors is an integer number (24832578).

Almost surely, 2^82775255 is an apocalyptic number.

82775255 is a deficient number, since it is larger than the sum of its proper divisors (16555057).

82775255 is a wasteful number, since it uses less digits than its factorization.

82775255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555056.

The product of its digits is 196000, while the sum is 41.

The square root of 82775255 is about 9098.0907337749. The cubic root of 82775255 is about 435.8129949510.

The spelling of 82775255 in words is "eighty-two million, seven hundred seventy-five thousand, two hundred fifty-five".