82857608 has 8 divisors (see below), whose sum is σ = 155358030. Its totient is φ = 41428800.

The previous prime is 82857601. The next prime is 82857617. The reversal of 82857608 is 80675828.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 12264004 = 8402^2 + 3502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (82857601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5178593 + ... + 5178608.

Almost surely, 2^82857608 is an apocalyptic number.

It is an amenable number.

82857608 is a deficient number, since it is larger than the sum of its proper divisors (72500422).

82857608 is a wasteful number, since it uses less digits than its factorization.

82857608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357207 (or 10357203 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 82857608 is about 9102.6154483203. The cubic root of 82857608 is about 435.9574769852.

The spelling of 82857608 in words is "eighty-two million, eight hundred fifty-seven thousand, six hundred eight".