82615366 has 4 divisors (see below), whose sum is σ = 123923052. Its totient is φ = 41307682.

The previous prime is 82615361. The next prime is 82615391. The reversal of 82615366 is 66351628.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82615361) 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 as a sum of consecutive naturals, namely, 20653840 + ... + 20653843.

It is an arithmetic number, because the mean of its divisors is an integer number (30980763).

Almost surely, 2^82615366 is an apocalyptic number.

82615366 is a deficient number, since it is larger than the sum of its proper divisors (41307686).

82615366 is a wasteful number, since it uses less digits than its factorization.

82615366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41307685.

The product of its digits is 51840, while the sum is 37.

The square root of 82615366 is about 9089.2995329673. The cubic root of 82615366 is about 435.5322080662.

The spelling of 82615366 in words is "eighty-two million, six hundred fifteen thousand, three hundred sixty-six".