828472566 has 8 divisors (see below), whose sum is σ = 1656945144. Its totient is φ = 276157520.

The previous prime is 828472559. The next prime is 828472573. The reversal of 828472566 is 665274828.

It is an interprime number because it is at equal distance from previous prime (828472559) and next prime (828472573).

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

828472566 is an admirable number.

It is a super-2 number, since 2×828472566² = 1372733585229248712, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 69039375 + ... + 69039386.

It is an arithmetic number, because the mean of its divisors is an integer number (207118143).

Almost surely, 2^828472566 is an apocalyptic number.

828472566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828472566 is a wasteful number, since it uses less digits than its factorization.

828472566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138078766.

The product of its digits is 1290240, while the sum is 48.

The square root of 828472566 is about 28783.1993704661. The cubic root of 828472566 is about 939.2027970064.

The spelling of 828472566 in words is "eight hundred twenty-eight million, four hundred seventy-two thousand, five hundred sixty-six".