8728160987 has 12 divisors (see below), whose sum is σ = 10801377360. Its totient is φ = 6905796768.

The previous prime is 8728160983. The next prime is 8728160993. The reversal of 8728160987 is 7890618278.

It is not a de Polignac number, because 8728160987 - 2² = 8728160983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8728160983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3687812 + ... + 3690177.

It is an arithmetic number, because the mean of its divisors is an integer number (900114780).

Almost surely, 2^8728160987 is an apocalyptic number.

8728160987 is a deficient number, since it is larger than the sum of its proper divisors (2073216373).

8728160987 is a wasteful number, since it uses less digits than its factorization.

8728160987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378022 (or 7378009 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 56.

The square root of 8728160987 is about 93424.6273045817. The cubic root of 8728160987 is about 2058.9268444213.

The spelling of 8728160987 in words is "eight billion, seven hundred twenty-eight million, one hundred sixty thousand, nine hundred eighty-seven".