8491764958 has 8 divisors (see below), whose sum is σ = 13033871928. Its totient is φ = 4147140984.

The previous prime is 8491764917. The next prime is 8491764971. The reversal of 8491764958 is 8594671948.

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

It is a super-2 number, since 2×8491764958² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8491764896 and 8491764905.

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, 49370641 + ... + 49370812.

It is an arithmetic number, because the mean of its divisors is an integer number (1629233991).

Almost surely, 2^8491764958 is an apocalyptic number.

8491764958 is a deficient number, since it is larger than the sum of its proper divisors (4542106970).

8491764958 is a wasteful number, since it uses less digits than its factorization.

8491764958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98741498.

The product of its digits is 17418240, while the sum is 61.

The square root of 8491764958 is about 92150.7729647451. The cubic root of 8491764958 is about 2040.1682673903.

The spelling of 8491764958 in words is "eight billion, four hundred ninety-one million, seven hundred sixty-four thousand, nine hundred fifty-eight".