8765428115 has 16 divisors (see below), whose sum is σ = 10604838816. Its totient is φ = 6954854400.

The previous prime is 8765428069. The next prime is 8765428127. The reversal of 8765428115 is 5118245678.

It is not a de Polignac number, because 8765428115 - 2¹⁰ = 8765427091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8765428115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800785 + ... + 1805645.

It is an arithmetic number, because the mean of its divisors is an integer number (662802426).

Almost surely, 2^8765428115 is an apocalyptic number.

8765428115 is a deficient number, since it is larger than the sum of its proper divisors (1839410701).

8765428115 is a wasteful number, since it uses less digits than its factorization.

8765428115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750.

The product of its digits is 537600, while the sum is 47.

The square root of 8765428115 is about 93623.8650932549. The cubic root of 8765428115 is about 2061.8530561824.

The spelling of 8765428115 in words is "eight billion, seven hundred sixty-five million, four hundred twenty-eight thousand, one hundred fifteen".