8042143976 has 8 divisors (see below), whose sum is σ = 15079019970. Its totient is φ = 4021071984.

The previous prime is 8042143957. The next prime is 8042144021. The reversal of 8042143976 is 6793412408.

It can be written as a sum of positive squares in only one way, i.e., 6867436900 + 1174707076 = 82870^2 + 34274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502633991 + ... + 502634006.

Almost surely, 2^8042143976 is an apocalyptic number.

It is an amenable number.

8042143976 is a deficient number, since it is larger than the sum of its proper divisors (7036875994).

8042143976 is a wasteful number, since it uses less digits than its factorization.

8042143976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005268003 (or 1005267999 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 8042143976 is about 89678.0016280470. The cubic root of 8042143976 is about 2003.5058489208.

The spelling of 8042143976 in words is "eight billion, forty-two million, one hundred forty-three thousand, nine hundred seventy-six".