7969988376 has 144 divisors (see below), whose sum is σ = 25359272640. Its totient is φ = 2254492800.

The previous prime is 7969988371. The next prime is 7969988437. The reversal of 7969988376 is 6738899697.

7969988376 is a `hidden beast` number, since 7 + 96 + 99 + 88 + 376 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7969988371) by changing a digit.

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 in 35 ways as a sum of consecutive naturals, for example, 345145 + ... + 367511.

It is an arithmetic number, because the mean of its divisors is an integer number (176106060).

Almost surely, 2^7969988376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7969988376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12679636320).

7969988376 is an abundant number, since it is smaller than the sum of its proper divisors (17389284264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7969988376 is a wasteful number, since it uses less digits than its factorization.

7969988376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22494 (or 22480 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 72.

The square root of 7969988376 is about 89274.7913803219. The cubic root of 7969988376 is about 1997.4958973769.

The spelling of 7969988376 in words is "seven billion, nine hundred sixty-nine million, nine hundred eighty-eight thousand, three hundred seventy-six".