7961584891351 has 16 divisors (see below), whose sum is σ = 9826168665600. Its totient is φ = 6281729202528.

The previous prime is 7961584891349. The next prime is 7961584891409. The reversal of 7961584891351 is 1531984851697.

It is not a de Polignac number, because 7961584891351 - 2¹ = 7961584891349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7961584891451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121819621 + ... + 121884958.

It is an arithmetic number, because the mean of its divisors is an integer number (614135541600).

Almost surely, 2^{7961584891351} is an apocalyptic number.

7961584891351 is a deficient number, since it is larger than the sum of its proper divisors (1864583774249).

7961584891351 is a wasteful number, since it uses less digits than its factorization.

7961584891351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243704958.

The product of its digits is 65318400, while the sum is 67.

The spelling of 7961584891351 in words is "seven trillion, nine hundred sixty-one billion, five hundred eighty-four million, eight hundred ninety-one thousand, three hundred fifty-one".