820480828111 has 8 divisors (see below), whose sum is σ = 943985613600. Its totient is φ = 698549352288.

The previous prime is 820480828051. The next prime is 820480828133. The reversal of 820480828111 is 111828084028.

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 820480828111 - 2¹⁹ = 820480303823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820480820111) 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, 393326296 + ... + 393328381.

It is an arithmetic number, because the mean of its divisors is an integer number (117998201700).

Almost surely, 2^820480828111 is an apocalyptic number.

820480828111 is a deficient number, since it is larger than the sum of its proper divisors (123504785489).

820480828111 is a wasteful number, since it uses less digits than its factorization.

820480828111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786654833.

The product of its (nonzero) digits is 65536, while the sum is 43.

The spelling of 820480828111 in words is "eight hundred twenty billion, four hundred eighty million, eight hundred twenty-eight thousand, one hundred eleven".