828865190 has 8 divisors (see below), whose sum is σ = 1491957360. Its totient is φ = 331546072.

The previous prime is 828865189. The next prime is 828865199. The reversal of 828865190 is 91568828.

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

It is a super-2 number, since 2×828865190² = 1374035006387472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828865199) 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 3 ways as a sum of consecutive naturals, for example, 41443250 + ... + 41443269.

It is an arithmetic number, because the mean of its divisors is an integer number (186494670).

Almost surely, 2^828865190 is an apocalyptic number.

828865190 is a deficient number, since it is larger than the sum of its proper divisors (663092170).

828865190 is a wasteful number, since it uses less digits than its factorization.

828865190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82886526.

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 828865190 is about 28790.0189301779. The cubic root of 828865190 is about 939.3511404105.

The spelling of 828865190 in words is "eight hundred twenty-eight million, eight hundred sixty-five thousand, one hundred ninety".