8941191085 has 4 divisors (see below), whose sum is σ = 10729429308. Its totient is φ = 7152952864.

The previous prime is 8941191067. The next prime is 8941191109. The reversal of 8941191085 is 5801911498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3255729481 + 5685461604 = 57059^2 + 75402^2 .

It is a cyclic number.

It is not a de Polignac number, because 8941191085 - 2⁵ = 8941191053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894119104 + ... + 894119113.

It is an arithmetic number, because the mean of its divisors is an integer number (2682357327).

Almost surely, 2^8941191085 is an apocalyptic number.

It is an amenable number.

8941191085 is a deficient number, since it is larger than the sum of its proper divisors (1788238223).

8941191085 is a wasteful number, since it uses less digits than its factorization.

8941191085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788238222.

The product of its (nonzero) digits is 103680, while the sum is 46.

The square root of 8941191085 is about 94557.8716183904. The cubic root of 8941191085 is about 2075.5432716944.

The spelling of 8941191085 in words is "eight billion, nine hundred forty-one million, one hundred ninety-one thousand, eighty-five".