7953188964 has 24 divisors (see below), whose sum is σ = 21208504128. Its totient is φ = 2272339680.

The previous prime is 7953188963. The next prime is 7953188977. The reversal of 7953188964 is 4698813597.

It is a junction number, because it is equal to n+sod(n) for n = 7953188898 and 7953188907.

It is not an unprimeable number, because it can be changed into a prime (7953188963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47340327 + ... + 47340494.

It is an arithmetic number, because the mean of its divisors is an integer number (883687672).

Almost surely, 2^7953188964 is an apocalyptic number.

It is an amenable number.

7953188964 is an abundant number, since it is smaller than the sum of its proper divisors (13255315164).

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

7953188964 is a wasteful number, since it uses less digits than its factorization.

7953188964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94680835 (or 94680833 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The square root of 7953188964 is about 89180.6535297875. The cubic root of 7953188964 is about 1996.0914469156.

The spelling of 7953188964 in words is "seven billion, nine hundred fifty-three million, one hundred eighty-eight thousand, nine hundred sixty-four".