283998775 has 6 divisors (see below), whose sum is σ = 352158512. Its totient is φ = 227199000.

The previous prime is 283998763. The next prime is 283998811. The reversal of 283998775 is 577899382.

It is not a de Polignac number, because 283998775 - 2⁷ = 283998647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5679951 + ... + 5680000.

Almost surely, 2^283998775 is an apocalyptic number.

283998775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

283998775 is a deficient number, since it is larger than the sum of its proper divisors (68159737).

283998775 is a wasteful number, since it uses less digits than its factorization.

283998775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11359961 (or 11359956 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 58.

The square root of 283998775 is about 16852.2632011252. The cubic root of 283998775 is about 657.3129000614.

The spelling of 283998775 in words is "two hundred eighty-three million, nine hundred ninety-eight thousand, seven hundred seventy-five".