8491204067 has 8 divisors (see below), whose sum is σ = 8636568000. Its totient is φ = 8345888424.

The previous prime is 8491204039. The next prime is 8491204093. The reversal of 8491204067 is 7604021948.

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

It is not a de Polignac number, because 8491204067 - 2¹⁸ = 8490941923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8491204567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641684 + ... + 654782.

It is an arithmetic number, because the mean of its divisors is an integer number (1079571000).

Almost surely, 2^8491204067 is an apocalyptic number.

8491204067 is a deficient number, since it is larger than the sum of its proper divisors (145363933).

8491204067 is a wasteful number, since it uses less digits than its factorization.

8491204067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24145.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 8491204067 is about 92147.7295813630. The cubic root of 8491204067 is about 2040.1233479018.

The spelling of 8491204067 in words is "eight billion, four hundred ninety-one million, two hundred four thousand, sixty-seven".