8475491838 has 64 divisors (see below), whose sum is σ = 18602684928. Its totient is φ = 2553016320.

The previous prime is 8475491837. The next prime is 8475491867. The reversal of 8475491838 is 8381945748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8475491837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14688606 + ... + 14689182.

It is an arithmetic number, because the mean of its divisors is an integer number (290666952).

Almost surely, 2^8475491838 is an apocalyptic number.

8475491838 is an abundant number, since it is smaller than the sum of its proper divisors (10127193090).

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

8475491838 is a wasteful number, since it uses less digits than its factorization.

8475491838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its digits is 7741440, while the sum is 57.

The square root of 8475491838 is about 92062.4344561885. The cubic root of 8475491838 is about 2038.8642144537.

The spelling of 8475491838 in words is "eight billion, four hundred seventy-five million, four hundred ninety-one thousand, eight hundred thirty-eight".