7943760648 has 48 divisors (see below), whose sum is σ = 21972113280. Its totient is φ = 2591580384.

The previous prime is 7943760641. The next prime is 7943760679. The reversal of 7943760648 is 8460673497.

It is a happy number.

It is a super-3 number, since 3×7943760648³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7943760594 and 7943760603.

It is not an unprimeable number, because it can be changed into a prime (7943760641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1170340 + ... + 1177107.

It is an arithmetic number, because the mean of its divisors is an integer number (457752360).

Almost surely, 2^7943760648 is an apocalyptic number.

It is an amenable number.

7943760648 is an abundant number, since it is smaller than the sum of its proper divisors (14028352632).

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

7943760648 is a wasteful number, since it uses less digits than its factorization.

7943760648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347506 (or 2347499 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The square root of 7943760648 is about 89127.7770843635. Note that the first 3 decimals coincide. The cubic root of 7943760648 is about 1995.3023620712.

The spelling of 7943760648 in words is "seven billion, nine hundred forty-three million, seven hundred sixty thousand, six hundred forty-eight".