283078712197 has 4 divisors (see below), whose sum is σ = 283423510476. Its totient is φ = 282733913920.

The previous prime is 283078712173. The next prime is 283078712207. The reversal of 283078712197 is 791217870382.

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 41141631556 + 241937080641 = 202834^2 + 491871^2 .

It is a cyclic number.

It is not a de Polignac number, because 283078712197 - 2¹¹ = 283078710149 is a prime.

It is a super-2 number, since 2×283078712197² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283078716197) 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, 172397908 + ... + 172399549.

It is an arithmetic number, because the mean of its divisors is an integer number (70855877619).

Almost surely, 2^283078712197 is an apocalyptic number.

It is an amenable number.

283078712197 is a deficient number, since it is larger than the sum of its proper divisors (344798279).

283078712197 is an equidigital number, since it uses as much as digits as its factorization.

283078712197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344798278.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 283078712197 in words is "two hundred eighty-three billion, seventy-eight million, seven hundred twelve thousand, one hundred ninety-seven".