82570008 has 32 divisors (see below), whose sum is σ = 209257200. Its totient is φ = 27145728.

The previous prime is 82570001. The next prime is 82570009. The reversal of 82570008 is 80007528.

It is a super-2 number, since 2×82570008² = 13635612442240128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82570001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21813 + ... + 25316.

Almost surely, 2^82570008 is an apocalyptic number.

It is an amenable number.

82570008 is an abundant number, since it is smaller than the sum of its proper divisors (126687192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82570008 is a wasteful number, since it uses less digits than its factorization.

82570008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47211 (or 47207 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 82570008 is about 9086.8040586336. The cubic root of 82570008 is about 435.4524872779.

The spelling of 82570008 in words is "eighty-two million, five hundred seventy thousand, eight".