82150115 has 8 divisors (see below), whose sum is σ = 99688320. Its totient is φ = 64981312.

The previous prime is 82150111. The next prime is 82150141. The reversal of 82150115 is 51105128.

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

It is a cyclic number.

It is not a de Polignac number, because 82150115 - 2² = 82150111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82150111) 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 7 ways as a sum of consecutive naturals, for example, 91859 + ... + 92748.

It is an arithmetic number, because the mean of its divisors is an integer number (12461040).

Almost surely, 2^82150115 is an apocalyptic number.

82150115 is a deficient number, since it is larger than the sum of its proper divisors (17538205).

82150115 is a wasteful number, since it uses less digits than its factorization.

82150115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184701.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 82150115 is about 9063.6700623975. The cubic root of 82150115 is about 434.7130974679.

The spelling of 82150115 in words is "eighty-two million, one hundred fifty thousand, one hundred fifteen".