82015255 has 8 divisors (see below), whose sum is σ = 112478112. Its totient is φ = 56239008.

The previous prime is 82015247. The next prime is 82015313. The reversal of 82015255 is 55251028.

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

It is not a de Polignac number, because 82015255 - 2³ = 82015247 is a prime.

It is a super-3 number, since 3×82015255³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1171612 + ... + 1171681.

It is an arithmetic number, because the mean of its divisors is an integer number (14059764).

Almost surely, 2^82015255 is an apocalyptic number.

82015255 is a deficient number, since it is larger than the sum of its proper divisors (30462857).

82015255 is a wasteful number, since it uses less digits than its factorization.

82015255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343305.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 82015255 is about 9056.2274154308. The cubic root of 82015255 is about 434.4750879897.

It can be divided in two parts, 8201 and 5255, that added together give a square (13456 = 116²).

The spelling of 82015255 in words is "eighty-two million, fifteen thousand, two hundred fifty-five".