82115356 has 24 divisors (see below), whose sum is σ = 149516640. Its totient is φ = 39412800.

The previous prime is 82115353. The next prime is 82115357. The reversal of 82115356 is 65351128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82115351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19041 + ... + 22951.

It is an arithmetic number, because the mean of its divisors is an integer number (6229860).

Almost surely, 2^82115356 is an apocalyptic number.

It is an amenable number.

82115356 is a deficient number, since it is larger than the sum of its proper divisors (67401284).

82115356 is a wasteful number, since it uses less digits than its factorization.

82115356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125 (or 4123 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 82115356 is about 9061.7523691613. The cubic root of 82115356 is about 434.6517775124.

The spelling of 82115356 in words is "eighty-two million, one hundred fifteen thousand, three hundred fifty-six".