7968722190 has 256 divisors, whose sum is σ = 23482497024. Its totient is φ = 1704499200.

The previous prime is 7968722149. The next prime is 7968722213. The reversal of 7968722190 is 912278697.

7968722190 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7968722190² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9682119 + ... + 9682941.

It is an arithmetic number, because the mean of its divisors is an integer number (91728504).

Almost surely, 2^7968722190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7968722190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11741248512).

7968722190 is an abundant number, since it is smaller than the sum of its proper divisors (15513774834).

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

7968722190 is a wasteful number, since it uses less digits than its factorization.

7968722190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 7968722190 is about 89267.6995894932. The cubic root of 7968722190 is about 1997.3901115559.

The spelling of 7968722190 in words is "seven billion, nine hundred sixty-eight million, seven hundred twenty-two thousand, one hundred ninety".