82115562 has 8 divisors (see below), whose sum is σ = 164231136. Its totient is φ = 27371852.

The previous prime is 82115531. The next prime is 82115569. The reversal of 82115562 is 26551128.

It is a sphenic number, since it is the product of 3 distinct primes.

82115562 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (82115569) 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 3 ways as a sum of consecutive naturals, for example, 6842958 + ... + 6842969.

It is an arithmetic number, because the mean of its divisors is an integer number (20528892).

Almost surely, 2^82115562 is an apocalyptic number.

82115562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82115562 is a wasteful number, since it uses less digits than its factorization.

82115562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685932.

The product of its digits is 4800, while the sum is 30.

The square root of 82115562 is about 9061.7637356091. The cubic root of 82115562 is about 434.6521409775.

The spelling of 82115562 in words is "eighty-two million, one hundred fifteen thousand, five hundred sixty-two".