7975395220 has 48 divisors (see below), whose sum is σ = 18420450048. Its totient is φ = 2882102400.

The previous prime is 7975395187. The next prime is 7975395223. The reversal of 7975395220 is 225935797.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975395223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314106 + ... + 338545.

It is an arithmetic number, because the mean of its divisors is an integer number (383759376).

Almost surely, 2^7975395220 is an apocalyptic number.

It is an amenable number.

7975395220 is an abundant number, since it is smaller than the sum of its proper divisors (10445054828).

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

7975395220 is a wasteful number, since it uses less digits than its factorization.

7975395220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652720 (or 652718 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 7975395220 is about 89305.0682772260. The cubic root of 7975395220 is about 1997.9474960009.

The spelling of 7975395220 in words is "seven billion, nine hundred seventy-five million, three hundred ninety-five thousand, two hundred twenty".