1378875934617 has 8 divisors (see below), whose sum is σ = 1839224221824. Its totient is φ = 918889135248.

The previous prime is 1378875934591. The next prime is 1378875934619. The reversal of 1378875934617 is 7164395788731.

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

It is not a de Polignac number, because 1378875934617 - 2⁷ = 1378875934489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1378875934619) 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 7 ways as a sum of consecutive naturals, for example, 90363058 + ... + 90378315.

It is an arithmetic number, because the mean of its divisors is an integer number (229903027728).

Almost surely, 2^{1378875934617} is an apocalyptic number.

It is an amenable number.

1378875934617 is a deficient number, since it is larger than the sum of its proper divisors (460348287207).

1378875934617 is a wasteful number, since it uses less digits than its factorization.

1378875934617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180743919.

The product of its digits is 213373440, while the sum is 69.

The spelling of 1378875934617 in words is "one trillion, three hundred seventy-eight billion, eight hundred seventy-five million, nine hundred thirty-four thousand, six hundred seventeen".