8765428906081 has 8 divisors (see below), whose sum is σ = 8800024220928. Its totient is φ = 8730850140000.

The previous prime is 8765428906079. The next prime is 8765428906141. The reversal of 8765428906081 is 1806098245678.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8765428906081 - 2¹ = 8765428906079 is a prime.

It is a super-2 number, since 2×8765428906081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8765428906051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075220 + ... + 5194981.

It is an arithmetic number, because the mean of its divisors is an integer number (1100003027616).

Almost surely, 2^{8765428906081} is an apocalyptic number.

It is an amenable number.

8765428906081 is a deficient number, since it is larger than the sum of its proper divisors (34595314847).

8765428906081 is a wasteful number, since it uses less digits than its factorization.

8765428906081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274383.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 8765428906081 in words is "eight trillion, seven hundred sixty-five billion, four hundred twenty-eight million, nine hundred six thousand, eighty-one".