7957389368 has 8 divisors (see below), whose sum is σ = 14920105080. Its totient is φ = 3978694680.

The previous prime is 7957389367. The next prime is 7957389389. The reversal of 7957389368 is 8639837597.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7957389361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497336828 + ... + 497336843.

It is an arithmetic number, because the mean of its divisors is an integer number (1865013135).

Almost surely, 2^7957389368 is an apocalyptic number.

It is an amenable number.

7957389368 is a deficient number, since it is larger than the sum of its proper divisors (6962715712).

7957389368 is a wasteful number, since it uses less digits than its factorization.

7957389368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994673677 (or 994673673 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 65.

The square root of 7957389368 is about 89204.2003943760. The cubic root of 7957389368 is about 1996.4427908826.

The spelling of 7957389368 in words is "seven billion, nine hundred fifty-seven million, three hundred eighty-nine thousand, three hundred sixty-eight".