6828881156 has 6 divisors (see below), whose sum is σ = 11950542030. Its totient is φ = 3414440576.

The previous prime is 6828881119. The next prime is 6828881161. The reversal of 6828881156 is 6511888286.

It can be written as a sum of positive squares in only one way, i.e., 6755196100 + 73685056 = 82190^2 + 8584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6828881098 and 6828881107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853610141 + ... + 853610148.

It is an arithmetic number, because the mean of its divisors is an integer number (1991757005).

Almost surely, 2^6828881156 is an apocalyptic number.

It is an amenable number.

6828881156 is a deficient number, since it is larger than the sum of its proper divisors (5121660874).

6828881156 is a wasteful number, since it uses less digits than its factorization.

6828881156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707220293 (or 1707220291 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 53.

The square root of 6828881156 is about 82637.0446954633. The cubic root of 6828881156 is about 1897.2148626742.

The spelling of 6828881156 in words is "six billion, eight hundred twenty-eight million, eight hundred eighty-one thousand, one hundred fifty-six".