1082814779 has 16 divisors (see below), whose sum is σ = 1186327296. Its totient is φ = 983884800.

The previous prime is 1082814773. The next prime is 1082814869. The reversal of 1082814779 is 9774182801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1082814779 - 2¹² = 1082810683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082814773) 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, 240719 + ... + 245175.

It is an arithmetic number, because the mean of its divisors is an integer number (74145456).

Almost surely, 2^1082814779 is an apocalyptic number.

1082814779 is a deficient number, since it is larger than the sum of its proper divisors (103512517).

1082814779 is a wasteful number, since it uses less digits than its factorization.

1082814779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 1082814779 is about 32906.1510815227. The cubic root of 1082814779 is about 1026.8761289162.

The spelling of 1082814779 in words is "one billion, eighty-two million, eight hundred fourteen thousand, seven hundred seventy-nine".