828073915 has 8 divisors (see below), whose sum is σ = 994294800. Its totient is φ = 662055072.

The previous prime is 828073913. The next prime is 828073933. The reversal of 828073915 is 519370828.

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 828073915 - 2¹ = 828073913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828073913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41340 + ... + 58009.

It is an arithmetic number, because the mean of its divisors is an integer number (124286850).

Almost surely, 2^828073915 is an apocalyptic number.

828073915 is a deficient number, since it is larger than the sum of its proper divisors (166220885).

828073915 is a wasteful number, since it uses less digits than its factorization.

828073915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101021.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 828073915 is about 28776.2734731237. The cubic root of 828073915 is about 939.0521284870.

The spelling of 828073915 in words is "eight hundred twenty-eight million, seventy-three thousand, nine hundred fifteen".