283378055285 has 16 divisors (see below), whose sum is σ = 375143635440. Its totient is φ = 204159797760.

The previous prime is 283378055281. The next prime is 283378055309. The reversal of 283378055285 is 582550873382.

It can be written as a sum of positive squares in 8 ways, for example, as 89462006404 + 193916048881 = 299102^2 + 440359^2 .

It is not a de Polignac number, because 283378055285 - 2² = 283378055281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 283378055285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283378055281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53163950 + ... + 53169279.

It is an arithmetic number, because the mean of its divisors is an integer number (23446477215).

Almost surely, 2^283378055285 is an apocalyptic number.

It is an amenable number.

283378055285 is a deficient number, since it is larger than the sum of its proper divisors (91765580155).

283378055285 is a wasteful number, since it uses less digits than its factorization.

283378055285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106333288.

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 283378055285 in words is "two hundred eighty-three billion, three hundred seventy-eight million, fifty-five thousand, two hundred eighty-five".