828464671 has 8 divisors (see below), whose sum is σ = 836941184. Its totient is φ = 820027800.

The previous prime is 828464653. The next prime is 828464683. The reversal of 828464671 is 176464828.

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 828464671 - 2⁵ = 828464639 is a prime.

It is a super-2 number, since 2×828464671² = 1372707422190276482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828464171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33040 + ... + 52426.

It is an arithmetic number, because the mean of its divisors is an integer number (104617648).

Almost surely, 2^828464671 is an apocalyptic number.

828464671 is a deficient number, since it is larger than the sum of its proper divisors (8476513).

828464671 is a wasteful number, since it uses less digits than its factorization.

828464671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19821.

The product of its digits is 516096, while the sum is 46.

The square root of 828464671 is about 28783.0622241623. The cubic root of 828464671 is about 939.1998135926.

The spelling of 828464671 in words is "eight hundred twenty-eight million, four hundred sixty-four thousand, six hundred seventy-one".