7857163706368 has 28 divisors (see below), whose sum is σ = 15713368302690. Its totient is φ = 3928581849088.

The previous prime is 7857163706303. The next prime is 7857163706417. The reversal of 7857163706368 is 8636073617587.

It can be written as a sum of positive squares in only one way, i.e., 7376482177024 + 480681529344 = 2715968^2 + 693312^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 479555023 + ... + 479571406.

Almost surely, 2^{7857163706368} is an apocalyptic number.

It is an amenable number.

7857163706368 is a deficient number, since it is larger than the sum of its proper divisors (7856204596322).

7857163706368 is an frugal number, since it uses more digits than its factorization.

7857163706368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959126455 (or 959126431 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 67.

The spelling of 7857163706368 in words is "seven trillion, eight hundred fifty-seven billion, one hundred sixty-three million, seven hundred six thousand, three hundred sixty-eight".