7970938978137 has 8 divisors (see below), whose sum is σ = 10683562191360. Its totient is φ = 5286137541840.

The previous prime is 7970938978039. The next prime is 7970938978151. The reversal of 7970938978137 is 7318798390797.

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

It is a de Polignac number, because none of the positive numbers 2^k-7970938978137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7970938978237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955443562 + ... + 6955444707.

It is an arithmetic number, because the mean of its divisors is an integer number (1335445273920).

Almost surely, 2^{7970938978137} is an apocalyptic number.

It is an amenable number.

7970938978137 is a deficient number, since it is larger than the sum of its proper divisors (2712623213223).

7970938978137 is a wasteful number, since it uses less digits than its factorization.

7970938978137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910888463.

The product of its (nonzero) digits is 1008189504, while the sum is 78.

The spelling of 7970938978137 in words is "seven trillion, nine hundred seventy billion, nine hundred thirty-eight million, nine hundred seventy-eight thousand, one hundred thirty-seven".