7953927920 has 120 divisors (see below), whose sum is σ = 19227800592. Its totient is φ = 3059804160.

The previous prime is 7953927911. The next prime is 7953927973. The reversal of 7953927920 is 297293597.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23601992 + ... + 23602328.

Almost surely, 2^7953927920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7953927920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9613900296).

7953927920 is an abundant number, since it is smaller than the sum of its proper divisors (11273872672).

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

7953927920 is a wasteful number, since it uses less digits than its factorization.

7953927920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 7953927920 is about 89184.7964621773. The cubic root of 7953927920 is about 1996.1532660625.

The spelling of 7953927920 in words is "seven billion, nine hundred fifty-three million, nine hundred twenty-seven thousand, nine hundred twenty".