7909735668 has 24 divisors (see below), whose sum is σ = 18521273568. Its totient is φ = 2627260896.

The previous prime is 7909735637. The next prime is 7909735679. The reversal of 7909735668 is 8665379097.

It is a congruent number.

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, 1161171 + ... + 1167962.

It is an arithmetic number, because the mean of its divisors is an integer number (771719732).

Almost surely, 2^7909735668 is an apocalyptic number.

It is an amenable number.

7909735668 is an abundant number, since it is smaller than the sum of its proper divisors (10611537900).

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

7909735668 is a wasteful number, since it uses less digits than its factorization.

7909735668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329423 (or 2329421 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The square root of 7909735668 is about 88936.6947215827. The cubic root of 7909735668 is about 1992.4495032035.

The spelling of 7909735668 in words is "seven billion, nine hundred nine million, seven hundred thirty-five thousand, six hundred sixty-eight".