83828515 has 8 divisors (see below), whose sum is σ = 100675728. Its totient is φ = 67008480.

The previous prime is 83828501. The next prime is 83828539. The reversal of 83828515 is 51582838.

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

It is not a de Polignac number, because 83828515 - 2⁵ = 83828483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 760 + ... + 12970.

It is an arithmetic number, because the mean of its divisors is an integer number (12584466).

Almost surely, 2^83828515 is an apocalyptic number.

83828515 is a deficient number, since it is larger than the sum of its proper divisors (16847213).

83828515 is a wasteful number, since it uses less digits than its factorization.

83828515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13589.

The product of its digits is 76800, while the sum is 40.

The square root of 83828515 is about 9155.7913366350. The cubic root of 83828515 is about 437.6536864144.

The spelling of 83828515 in words is "eighty-three million, eight hundred twenty-eight thousand, five hundred fifteen".