8754455891 has 4 divisors (see below), whose sum is σ = 9135084432. Its totient is φ = 8373827352.

The previous prime is 8754455849. The next prime is 8754455909. The reversal of 8754455891 is 1985544578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1985544578 = 2 ⋅992772289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8754455891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8754455791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190314236 + ... + 190314281.

It is an arithmetic number, because the mean of its divisors is an integer number (2283771108).

Almost surely, 2^8754455891 is an apocalyptic number.

8754455891 is a deficient number, since it is larger than the sum of its proper divisors (380628541).

8754455891 is a wasteful number, since it uses less digits than its factorization.

8754455891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380628540.

The product of its digits is 8064000, while the sum is 56.

The square root of 8754455891 is about 93565.2493771058. The cubic root of 8754455891 is about 2060.9923809843.

The spelling of 8754455891 in words is "eight billion, seven hundred fifty-four million, four hundred fifty-five thousand, eight hundred ninety-one".