282840340477 has 2 divisors, whose sum is σ = 282840340478. Its totient is φ = 282840340476.

The previous prime is 282840340439. The next prime is 282840340487. The reversal of 282840340477 is 774043048282.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145806367716 + 137033972761 = 381846^2 + 370181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282840340477 is a prime.

It is a super-3 number, since 3×282840340477³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 282840340477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282840340487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141420170238 + 141420170239.

It is an arithmetic number, because the mean of its divisors is an integer number (141420170239).

Almost surely, 2^282840340477 is an apocalyptic number.

It is an amenable number.

282840340477 is a deficient number, since it is larger than the sum of its proper divisors (1).

282840340477 is an equidigital number, since it uses as much as digits as its factorization.

282840340477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 49.

The spelling of 282840340477 in words is "two hundred eighty-two billion, eight hundred forty million, three hundred forty thousand, four hundred seventy-seven".