7953938844 has 48 divisors (see below), whose sum is σ = 19543856640. Its totient is φ = 2512762560.

The previous prime is 7953938843. The next prime is 7953938879. The reversal of 7953938844 is 4488393597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7953938843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102112 + ... + 162279.

It is an arithmetic number, because the mean of its divisors is an integer number (407163680).

Almost surely, 2^7953938844 is an apocalyptic number.

It is an amenable number.

7953938844 is an abundant number, since it is smaller than the sum of its proper divisors (11589917796).

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

7953938844 is a wasteful number, since it uses less digits than its factorization.

7953938844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264530 (or 264528 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The square root of 7953938844 is about 89184.8577057787. The cubic root of 7953938844 is about 1996.1541799073.

The spelling of 7953938844 in words is "seven billion, nine hundred fifty-three million, nine hundred thirty-eight thousand, eight hundred forty-four".