7963508508 has 12 divisors (see below), whose sum is σ = 18581519880. Its totient is φ = 2654502832.

The previous prime is 7963508473. The next prime is 7963508537. The reversal of 7963508508 is 8058053697.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331812843 + ... + 331812866.

It is an arithmetic number, because the mean of its divisors is an integer number (1548459990).

Almost surely, 2^7963508508 is an apocalyptic number.

It is an amenable number.

7963508508 is an abundant number, since it is smaller than the sum of its proper divisors (10618011372).

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

7963508508 is a wasteful number, since it uses less digits than its factorization.

7963508508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663625716 (or 663625714 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 7963508508 is about 89238.4923001280. The cubic root of 7963508508 is about 1996.9544068687.

The spelling of 7963508508 in words is "seven billion, nine hundred sixty-three million, five hundred eight thousand, five hundred eight".