1378060742866 has 8 divisors (see below), whose sum is σ = 2067133276800. Its totient is φ = 689016317268.

The previous prime is 1378060742803. The next prime is 1378060742867. The reversal of 1378060742866 is 6682470608731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1378060742866² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1378060742866.

It is not an unprimeable number, because it can be changed into a prime (1378060742867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6904086 + ... + 7100881.

It is an arithmetic number, because the mean of its divisors is an integer number (258391659600).

Almost surely, 2^{1378060742866} is an apocalyptic number.

1378060742866 is a deficient number, since it is larger than the sum of its proper divisors (689072533934).

1378060742866 is a wasteful number, since it uses less digits than its factorization.

1378060742866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14054168.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 1378060742866 in words is "one trillion, three hundred seventy-eight billion, sixty million, seven hundred forty-two thousand, eight hundred sixty-six".