1143382877 has 16 divisors (see below), whose sum is σ = 1468427520. Its totient is φ = 865320192.

The previous prime is 1143382873. The next prime is 1143382921. The reversal of 1143382877 is 7782833411.

It is a cyclic number.

It is not a de Polignac number, because 1143382877 - 2² = 1143382873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143382871) 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, 271052 + ... + 275237.

It is an arithmetic number, because the mean of its divisors is an integer number (91776720).

Almost surely, 2^1143382877 is an apocalyptic number.

It is an amenable number.

1143382877 is a deficient number, since it is larger than the sum of its proper divisors (325044643).

1143382877 is a wasteful number, since it uses less digits than its factorization.

1143382877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546332.

The product of its digits is 225792, while the sum is 44.

The square root of 1143382877 is about 33813.9450079401. The cubic root of 1143382877 is about 1045.6762110685.

The spelling of 1143382877 in words is "one billion, one hundred forty-three million, three hundred eighty-two thousand, eight hundred seventy-seven".