8491700058 has 32 divisors (see below), whose sum is σ = 17894817600. Its totient is φ = 2678956416.

The previous prime is 8491700057. The next prime is 8491700099. The reversal of 8491700058 is 8500071948.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8491699992 and 8491700019.

It is not an unprimeable number, because it can be changed into a prime (8491700053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81708 + ... + 153816.

It is an arithmetic number, because the mean of its divisors is an integer number (559213050).

Almost surely, 2^8491700058 is an apocalyptic number.

8491700058 is an abundant number, since it is smaller than the sum of its proper divisors (9403117542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8491700058 is a wasteful number, since it uses less digits than its factorization.

8491700058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73166.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 8491700058 is about 92150.4208237814. The cubic root of 8491700058 is about 2040.1630699133.

The spelling of 8491700058 in words is "eight billion, four hundred ninety-one million, seven hundred thousand, fifty-eight".