82855328 has 12 divisors (see below), whose sum is σ = 163121490. Its totient is φ = 41427648.

The previous prime is 82855319. The next prime is 82855387. The reversal of 82855328 is 82355828.

It can be written as a sum of positive squares in only one way, i.e., 77228944 + 5626384 = 8788^2 + 2372^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294583 + ... + 1294646.

Almost surely, 2^82855328 is an apocalyptic number.

It is an amenable number.

82855328 is a deficient number, since it is larger than the sum of its proper divisors (80266162).

82855328 is a wasteful number, since it uses less digits than its factorization.

82855328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589239 (or 2589231 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The square root of 82855328 is about 9102.4902087286. The cubic root of 82855328 is about 435.9534781886.

Subtracting from 82855328 its reverse (82355828), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 82855328 in words is "eighty-two million, eight hundred fifty-five thousand, three hundred twenty-eight".