283797672085 has 4 divisors (see below), whose sum is σ = 340557206508. Its totient is φ = 227038137664.

The previous prime is 283797672031. The next prime is 283797672097. The reversal of 283797672085 is 580276797382.

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

It can be written as a sum of positive squares in 2 ways, for example, as 201643208209 + 82154463876 = 449047^2 + 286626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283797672085 is a prime.

It is a super-2 number, since 2×283797672085² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28379767204 + ... + 28379767213.

It is an arithmetic number, because the mean of its divisors is an integer number (85139301627).

Almost surely, 2^283797672085 is an apocalyptic number.

It is an amenable number.

283797672085 is a deficient number, since it is larger than the sum of its proper divisors (56759534423).

283797672085 is an equidigital number, since it uses as much as digits as its factorization.

283797672085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56759534422.

The product of its (nonzero) digits is 71124480, while the sum is 64.

The spelling of 283797672085 in words is "two hundred eighty-three billion, seven hundred ninety-seven million, six hundred seventy-two thousand, eighty-five".