7749079488 has 168 divisors, whose sum is σ = 23208490032. Its totient is φ = 2563467264.

The previous prime is 7749079441. The next prime is 7749079573. The reversal of 7749079488 is 8849709477.

It is a happy number.

7749079488 is a `hidden beast` number, since 77 + 490 + 79 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×7749079488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2128806 + ... + 2132442.

It is an arithmetic number, because the mean of its divisors is an integer number (138145774).

Almost surely, 2^7749079488 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 7749079488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11604245016).

7749079488 is an abundant number, since it is smaller than the sum of its proper divisors (15459410544).

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

7749079488 is a wasteful number, since it uses less digits than its factorization.

7749079488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The square root of 7749079488 is about 88028.8559962016. The cubic root of 7749079488 is about 1978.8674514859.

The spelling of 7749079488 in words is "seven billion, seven hundred forty-nine million, seventy-nine thousand, four hundred eighty-eight".