8971232738 has 16 divisors (see below), whose sum is σ = 14511167160. Its totient is φ = 4135090176.

The previous prime is 8971232681. The next prime is 8971232749. The reversal of 8971232738 is 8372321798.

It can be written as a sum of positive squares in 4 ways, for example, as 8495861929 + 475370809 = 92173^2 + 21803^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208223 + ... + 247586.

Almost surely, 2^8971232738 is an apocalyptic number.

8971232738 is a deficient number, since it is larger than the sum of its proper divisors (5539934422).

8971232738 is a wasteful number, since it uses less digits than its factorization.

8971232738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456581.

The product of its digits is 1016064, while the sum is 50.

The square root of 8971232738 is about 94716.5916722092. The cubic root of 8971232738 is about 2077.8652236165.

The spelling of 8971232738 in words is "eight billion, nine hundred seventy-one million, two hundred thirty-two thousand, seven hundred thirty-eight".