83328015 has 32 divisors (see below), whose sum is σ = 142156800. Its totient is φ = 41558400.

The previous prime is 83327989. The next prime is 83328017. The reversal of 83328015 is 51082338.

It is a happy number.

It is not a de Polignac number, because 83328015 - 2⁵ = 83327983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83328017) 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 31 ways as a sum of consecutive naturals, for example, 20665 + ... + 24365.

It is an arithmetic number, because the mean of its divisors is an integer number (4442400).

Almost surely, 2^83328015 is an apocalyptic number.

83328015 is a deficient number, since it is larger than the sum of its proper divisors (58828785).

83328015 is a wasteful number, since it uses less digits than its factorization.

83328015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 83328015 is about 9128.4179899915. The cubic root of 83328015 is about 436.7809401863.

The spelling of 83328015 in words is "eighty-three million, three hundred twenty-eight thousand, fifteen".