283091078989 has 6 divisors (see below), whose sum is σ = 288533202986. Its totient is φ = 277749735120.

The previous prime is 283091078981. The next prime is 283091079013. The reversal of 283091078989 is 989870190382.

It can be written as a sum of positive squares in 3 ways, for example, as 18473430889 + 264617648100 = 135917^2 + 514410^2 .

It is not a de Polignac number, because 283091078989 - 2³ = 283091078981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283091078989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283091078981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50387202 + ... + 50392819.

Almost surely, 2^283091078989 is an apocalyptic number.

It is an amenable number.

283091078989 is a deficient number, since it is larger than the sum of its proper divisors (5442123997).

283091078989 is an equidigital number, since it uses as much as digits as its factorization.

283091078989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100780127 (or 100780074 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 283091078989 in words is "two hundred eighty-three billion, ninety-one million, seventy-eight thousand, nine hundred eighty-nine".