82870095 has 64 divisors (see below), whose sum is σ = 166726656. Its totient is φ = 34145280.

The previous prime is 82870091. The next prime is 82870163. The reversal of 82870095 is 59007828.

It is not a de Polignac number, because 82870095 - 2² = 82870091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82870091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181107 + ... + 181563.

It is an arithmetic number, because the mean of its divisors is an integer number (2605104).

Almost surely, 2^82870095 is an apocalyptic number.

82870095 is an abundant number, since it is smaller than the sum of its proper divisors (83856561).

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

82870095 is a wasteful number, since it uses less digits than its factorization.

82870095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 82870095 is about 9103.3013242450. The cubic root of 82870095 is about 435.9793761111.

The spelling of 82870095 in words is "eighty-two million, eight hundred seventy thousand, ninety-five".