283989678311 has 4 divisors (see below), whose sum is σ = 284079296400. Its totient is φ = 283900060224.

The previous prime is 283989678263. The next prime is 283989678319. The reversal of 283989678311 is 113876989382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283989678311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283989678319) 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 3 ways as a sum of consecutive naturals, for example, 44804291 + ... + 44810628.

It is an arithmetic number, because the mean of its divisors is an integer number (71019824100).

Almost surely, 2^283989678311 is an apocalyptic number.

283989678311 is a deficient number, since it is larger than the sum of its proper divisors (89618089).

283989678311 is an equidigital number, since it uses as much as digits as its factorization.

283989678311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89618088.

The product of its digits is 31352832, while the sum is 65.

The spelling of 283989678311 in words is "two hundred eighty-three billion, nine hundred eighty-nine million, six hundred seventy-eight thousand, three hundred eleven".