1283828777 has 16 divisors (see below), whose sum is σ = 1639661184. Its totient is φ = 975984000.

The previous prime is 1283828723. The next prime is 1283828783. The reversal of 1283828777 is 7778283821.

It is a cyclic number.

It is not a de Polignac number, because 1283828777 - 2¹² = 1283824681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1283828477) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 200174 + ... + 206487.

It is an arithmetic number, because the mean of its divisors is an integer number (102478824).

Almost surely, 2^1283828777 is an apocalyptic number.

It is an amenable number.

1283828777 is a deficient number, since it is larger than the sum of its proper divisors (355832407).

1283828777 is a wasteful number, since it uses less digits than its factorization.

1283828777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406720.

The product of its digits is 2107392, while the sum is 53.

The square root of 1283828777 is about 35830.5564706997. The cubic root of 1283828777 is about 1086.8485627213.

The spelling of 1283828777 in words is "one billion, two hundred eighty-three million, eight hundred twenty-eight thousand, seven hundred seventy-seven".