1378085394776 has 16 divisors (see below), whose sum is σ = 2622475938840. Its totient is φ = 678758477760.

The previous prime is 1378085394773. The next prime is 1378085394781. The reversal of 1378085394776 is 6774935808731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378085394773) 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, 1285526885 + ... + 1285527956.

Almost surely, 2^{1378085394776} is an apocalyptic number.

It is an amenable number.

1378085394776 is a deficient number, since it is larger than the sum of its proper divisors (1244390544064).

1378085394776 is a wasteful number, since it uses less digits than its factorization.

1378085394776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571054914 (or 2571054910 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 68.

The spelling of 1378085394776 in words is "one trillion, three hundred seventy-eight billion, eighty-five million, three hundred ninety-four thousand, seven hundred seventy-six".