1143827883 has 36 divisors (see below), whose sum is σ = 1821010464. Its totient is φ = 691336800.

The previous prime is 1143827837. The next prime is 1143827903. The reversal of 1143827883 is 3887283411.

It is not a de Polignac number, because 1143827883 - 2⁸ = 1143827627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143827383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 468141 + ... + 470577.

It is an arithmetic number, because the mean of its divisors is an integer number (50583624).

Almost surely, 2^1143827883 is an apocalyptic number.

1143827883 is a deficient number, since it is larger than the sum of its proper divisors (677182581).

1143827883 is a wasteful number, since it uses less digits than its factorization.

1143827883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896 (or 2882 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 1143827883 is about 33820.5245819754. The cubic root of 1143827883 is about 1045.8118529551.

It can be divided in two parts, 114382 and 7883, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 1143827883 in words is "one billion, one hundred forty-three million, eight hundred twenty-seven thousand, eight hundred eighty-three".