828705082051 has 12 divisors (see below), whose sum is σ = 1041017955376. Its totient is φ = 645744219120.

The previous prime is 828705081991. The next prime is 828705082061. The reversal of 828705082051 is 150280507828.

It is not a de Polignac number, because 828705082051 - 2²⁷ = 828570864323 is a prime.

It is a super-2 number, since 2×828705082051² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 828705081992 and 828705082010.

It is not an unprimeable number, because it can be changed into a prime (828705082061) 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 11 ways as a sum of consecutive naturals, for example, 489199320 + ... + 489201013.

Almost surely, 2^828705082051 is an apocalyptic number.

828705082051 is a deficient number, since it is larger than the sum of its proper divisors (212312873325).

828705082051 is a wasteful number, since it uses less digits than its factorization.

828705082051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978400362 (or 978400351 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 46.

Adding to 828705082051 its reverse (150280507828), we get a palindrome (978985589879).

The spelling of 828705082051 in words is "eight hundred twenty-eight billion, seven hundred five million, eighty-two thousand, fifty-one".