7957950866731 has 2 divisors, whose sum is σ = 7957950866732. Its totient is φ = 7957950866730.

The previous prime is 7957950866729. The next prime is 7957950866743. The reversal of 7957950866731 is 1376680597597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7957950866731 - 2¹ = 7957950866729 is a prime.

It is a super-2 number, since 2×7957950866731² (a number of 27 digits) contains 22 as substring.

Together with 7957950866729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7957950866531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3978975433365 + 3978975433366.

It is an arithmetic number, because the mean of its divisors is an integer number (3978975433366).

Almost surely, 2^{7957950866731} is an apocalyptic number.

7957950866731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7957950866731 is an equidigital number, since it uses as much as digits as its factorization.

7957950866731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600112800, while the sum is 73.

The spelling of 7957950866731 in words is "seven trillion, nine hundred fifty-seven billion, nine hundred fifty million, eight hundred sixty-six thousand, seven hundred thirty-one".