82715238 has 24 divisors (see below), whose sum is σ = 179595000. Its totient is φ = 27513504.

The previous prime is 82715231. The next prime is 82715249. The reversal of 82715238 is 83251728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82715231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4378 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (7483125).

Almost surely, 2^82715238 is an apocalyptic number.

82715238 is an abundant number, since it is smaller than the sum of its proper divisors (96879762).

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

82715238 is a wasteful number, since it uses less digits than its factorization.

82715238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716 (or 9713 counting only the distinct ones).

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

The square root of 82715238 is about 9094.7918063032. The cubic root of 82715238 is about 435.7076393401.

The spelling of 82715238 in words is "eighty-two million, seven hundred fifteen thousand, two hundred thirty-eight".