7981495422 has 16 divisors (see below), whose sum is σ = 15963920640. Its totient is φ = 2660343512.

The previous prime is 7981495339. The next prime is 7981495429. The reversal of 7981495422 is 2245941897.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7981495429) 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, 128173 + ... + 179975.

It is an arithmetic number, because the mean of its divisors is an integer number (997745040).

Almost surely, 2^7981495422 is an apocalyptic number.

7981495422 is an abundant number, since it is smaller than the sum of its proper divisors (7982425218).

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

7981495422 is a wasteful number, since it uses less digits than its factorization.

7981495422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77487.

The product of its digits is 1451520, while the sum is 51.

The square root of 7981495422 is about 89339.2154767435. The cubic root of 7981495422 is about 1998.4567613468.

The spelling of 7981495422 in words is "seven billion, nine hundred eighty-one million, four hundred ninety-five thousand, four hundred twenty-two".