8493795891 has 128 divisors (see below), whose sum is σ = 15740313600. Its totient is φ = 4418789760.

The previous prime is 8493795859. The next prime is 8493795907. The reversal of 8493795891 is 1985973948.

8493795891 is a `hidden beast` number, since 8 + 49 + 3 + 7 + 9 + 589 + 1 = 666.

It is not a de Polignac number, because 8493795891 - 2⁵ = 8493795859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (19595520) is a multiple of the sum of its prime divisors (960).

It is not an unprimeable number, because it can be changed into a prime (8493795841) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10345261 + ... + 10346081.

It is an arithmetic number, because the mean of its divisors is an integer number (122971200).

Almost surely, 2^8493795891 is an apocalyptic number.

8493795891 is a deficient number, since it is larger than the sum of its proper divisors (7246517709).

8493795891 is a wasteful number, since it uses less digits than its factorization.

8493795891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 960 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The square root of 8493795891 is about 92161.7919259386. The cubic root of 8493795891 is about 2040.3309000429.

The spelling of 8493795891 in words is "eight billion, four hundred ninety-three million, seven hundred ninety-five thousand, eight hundred ninety-one".