7726394984 has 96 divisors (see below), whose sum is σ = 18261687360. Its totient is φ = 2999842560.

The previous prime is 7726394959. The next prime is 7726395013. The reversal of 7726394984 is 4894936277.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2119067 + ... + 2122709.

It is an arithmetic number, because the mean of its divisors is an integer number (190225910).

Almost surely, 2^7726394984 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 7726394984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9130843680).

7726394984 is an abundant number, since it is smaller than the sum of its proper divisors (10535292376).

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

7726394984 is a wasteful number, since it uses less digits than its factorization.

7726394984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991 (or 3976 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The square root of 7726394984 is about 87899.9145847139. The cubic root of 7726394984 is about 1976.9345982108.

The spelling of 7726394984 in words is "seven billion, seven hundred twenty-six million, three hundred ninety-four thousand, nine hundred eighty-four".