8728807158 has 16 divisors (see below), whose sum is σ = 19397349360. Its totient is φ = 2909602368.

The previous prime is 8728807127. The next prime is 8728807163. The reversal of 8728807158 is 8517088278.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 161644577 = 8728807158 / (8 + 7 + 2 + 8 + 8 + 0 + 7 + 1 + 5 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80822235 + ... + 80822342.

It is an arithmetic number, because the mean of its divisors is an integer number (1212334335).

Almost surely, 2^8728807158 is an apocalyptic number.

8728807158 is an abundant number, since it is smaller than the sum of its proper divisors (10668542202).

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

8728807158 is a wasteful number, since it uses less digits than its factorization.

8728807158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161644588 (or 161644582 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 54.

The square root of 8728807158 is about 93428.0854882513. The cubic root of 8728807158 is about 2058.9776526038.

The spelling of 8728807158 in words is "eight billion, seven hundred twenty-eight million, eight hundred seven thousand, one hundred fifty-eight".