8729889070 has 32 divisors (see below), whose sum is σ = 18058982400. Its totient is φ = 2976379296.

The previous prime is 8729889061. The next prime is 8729889071. The reversal of 8729889070 is 709889278.

It is a junction number, because it is equal to n+sod(n) for n = 8729888996 and 8729889014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8729889071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335830 + ... + 360889.

It is an arithmetic number, because the mean of its divisors is an integer number (564343200).

Almost surely, 2^8729889070 is an apocalyptic number.

8729889070 is an abundant number, since it is smaller than the sum of its proper divisors (9329093330).

8729889070 is a wasteful number, since it uses less digits than its factorization.

8729889070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696912.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The square root of 8729889070 is about 93433.8753878913. The cubic root of 8729889070 is about 2059.0627173234.

The spelling of 8729889070 in words is "eight billion, seven hundred twenty-nine million, eight hundred eighty-nine thousand, seventy".