7753947648 has 80 divisors (see below), whose sum is σ = 20906224416. Its totient is φ = 2553466880.

The previous prime is 7753947613. The next prime is 7753947683. The reversal of 7753947648 is 8467493577.

It is an interprime number because it is at equal distance from previous prime (7753947613) and next prime (7753947683).

It is a junction number, because it is equal to n+sod(n) for n = 7753947591 and 7753947600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97078 + ... + 157898.

Almost surely, 2^7753947648 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 7753947648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10453112208).

7753947648 is an abundant number, since it is smaller than the sum of its proper divisors (13152276768).

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

7753947648 is an equidigital number, since it uses as much as digits as its factorization.

7753947648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60925 (or 60909 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 60.

The square root of 7753947648 is about 88056.5025878271. The cubic root of 7753947648 is about 1979.2817556094.

The spelling of 7753947648 in words is "seven billion, seven hundred fifty-three million, nine hundred forty-seven thousand, six hundred forty-eight".