8729370623 has 4 divisors (see below), whose sum is σ = 8782925208. Its totient is φ = 8675816040.

The previous prime is 8729370607. The next prime is 8729370641. The reversal of 8729370623 is 3260739278.

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

It is a cyclic number.

It is not a de Polignac number, because 8729370623 - 2⁴ = 8729370607 is a prime.

It is a super-2 number, since 2×8729370623² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8729370653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26777048 + ... + 26777373.

It is an arithmetic number, because the mean of its divisors is an integer number (2195731302).

Almost surely, 2^8729370623 is an apocalyptic number.

8729370623 is a deficient number, since it is larger than the sum of its proper divisors (53554585).

8729370623 is a wasteful number, since it uses less digits than its factorization.

8729370623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53554584.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 8729370623 is about 93431.1009407467. The cubic root of 8729370623 is about 2059.0219555981.

The spelling of 8729370623 in words is "eight billion, seven hundred twenty-nine million, three hundred seventy thousand, six hundred twenty-three".