8729622718 has 8 divisors (see below), whose sum is σ = 13167587880. Its totient is φ = 4340426760.

The previous prime is 8729622697. The next prime is 8729622763. The reversal of 8729622718 is 8172269278.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12191853 + ... + 12192568.

It is an arithmetic number, because the mean of its divisors is an integer number (1645948485).

Almost surely, 2^8729622718 is an apocalyptic number.

8729622718 is a deficient number, since it is larger than the sum of its proper divisors (4437965162).

8729622718 is a wasteful number, since it uses less digits than its factorization.

8729622718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24384602.

The product of its digits is 1354752, while the sum is 52.

The square root of 8729622718 is about 93432.4500267439. The cubic root of 8729622718 is about 2059.0417762001.

The spelling of 8729622718 in words is "eight billion, seven hundred twenty-nine million, six hundred twenty-two thousand, seven hundred eighteen".