7997195280 has 160 divisors (see below), whose sum is σ = 25186959360. Its totient is φ = 2098736640.

The previous prime is 7997195273. The next prime is 7997195291. The reversal of 7997195280 is 825917997.

It is a self number, because there is not a number n which added to its sum of digits gives 7997195280.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8778025 + ... + 8778935.

It is an arithmetic number, because the mean of its divisors is an integer number (157418496).

Almost surely, 2^7997195280 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 7997195280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12593479680).

7997195280 is an abundant number, since it is smaller than the sum of its proper divisors (17189764080).

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

7997195280 is a wasteful number, since it uses less digits than its factorization.

7997195280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 57.

The square root of 7997195280 is about 89427.0388640930. The cubic root of 7997195280 is about 1999.7662460139.

The spelling of 7997195280 in words is "seven billion, nine hundred ninety-seven million, one hundred ninety-five thousand, two hundred eighty".