7968761492 has 12 divisors (see below), whose sum is σ = 14765646420. Its totient is φ = 3750005376.

The previous prime is 7968761477. The next prime is 7968761497. The reversal of 7968761492 is 2941678697.

It can be written as a sum of positive squares in 2 ways, for example, as 3576518416 + 4392243076 = 59804^2 + 66274^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7968761497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58593767 + ... + 58593902.

It is an arithmetic number, because the mean of its divisors is an integer number (1230470535).

Almost surely, 2^7968761492 is an apocalyptic number.

It is an amenable number.

7968761492 is a deficient number, since it is larger than the sum of its proper divisors (6796884928).

7968761492 is a wasteful number, since it uses less digits than its factorization.

7968761492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117187690 (or 117187688 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 59.

The square root of 7968761492 is about 89267.9197248373. The cubic root of 7968761492 is about 1997.3933952818.

The spelling of 7968761492 in words is "seven billion, nine hundred sixty-eight million, seven hundred sixty-one thousand, four hundred ninety-two".