828424460661 has 8 divisors (see below), whose sum is σ = 1262361082944. Its totient is φ = 473385406080.

The previous prime is 828424460651. The next prime is 828424460729. The reversal of 828424460661 is 166064424828.

It is a happy number.

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

It is not a de Polignac number, because 828424460661 - 2¹¹ = 828424458613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828424460651) 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, 19724391900 + ... + 19724391941.

It is an arithmetic number, because the mean of its divisors is an integer number (157795135368).

Almost surely, 2^828424460661 is an apocalyptic number.

It is an amenable number.

828424460661 is a deficient number, since it is larger than the sum of its proper divisors (433936622283).

828424460661 is a wasteful number, since it uses less digits than its factorization.

828424460661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39448783851.

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 828424460661 in words is "eight hundred twenty-eight billion, four hundred twenty-four million, four hundred sixty thousand, six hundred sixty-one".