82870506 has 32 divisors (see below), whose sum is σ = 184782720. Its totient is φ = 27529632.

The previous prime is 82870451. The next prime is 82870519. The reversal of 82870506 is 60507828.

82870506 is a `hidden beast` number, since 82 + 8 + 70 + 506 = 666.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 14451 + ... + 19353.

It is an arithmetic number, because the mean of its divisors is an integer number (5774460).

Almost surely, 2^82870506 is an apocalyptic number.

82870506 is an abundant number, since it is smaller than the sum of its proper divisors (101912214).

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

82870506 is a wasteful number, since it uses less digits than its factorization.

82870506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 82870506 is about 9103.3238984450. The cubic root of 82870506 is about 435.9800968666.

The spelling of 82870506 in words is "eighty-two million, eight hundred seventy thousand, five hundred six".