1427987182868 has 6 divisors (see below), whose sum is σ = 2498977570026. Its totient is φ = 713993591432.

The previous prime is 1427987182789. The next prime is 1427987182871. The reversal of 1427987182868 is 8682817897241.

It can be written as a sum of positive squares in only one way, i.e., 1049235559684 + 378751623184 = 1024322^2 + 615428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178498397855 + ... + 178498397862.

It is an arithmetic number, because the mean of its divisors is an integer number (416496261671).

Almost surely, 2^{1427987182868} is an apocalyptic number.

It is an amenable number.

1427987182868 is a deficient number, since it is larger than the sum of its proper divisors (1070990387158).

1427987182868 is a wasteful number, since it uses less digits than its factorization.

1427987182868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356996795721 (or 356996795719 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 71.

The spelling of 1427987182868 in words is "one trillion, four hundred twenty-seven billion, nine hundred eighty-seven million, one hundred eighty-two thousand, eight hundred sixty-eight".