8719959722 has 4 divisors (see below), whose sum is σ = 13079939586. Its totient is φ = 4359979860.

The previous prime is 8719959691. The next prime is 8719959727. The reversal of 8719959722 is 2279599178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8040888241 + 679071481 = 89671^2 + 26059^2 .

It is a super-3 number, since 3×8719959722³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8719959727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179989929 + ... + 2179989932.

Almost surely, 2^8719959722 is an apocalyptic number.

8719959722 is a deficient number, since it is larger than the sum of its proper divisors (4359979864).

8719959722 is a wasteful number, since it uses less digits than its factorization.

8719959722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359979863.

The product of its digits is 5715360, while the sum is 59.

The square root of 8719959722 is about 93380.7245741861. The cubic root of 8719959722 is about 2058.2817640403.

The spelling of 8719959722 in words is "eight billion, seven hundred nineteen million, nine hundred fifty-nine thousand, seven hundred twenty-two".