8931132397 has 8 divisors (see below), whose sum is σ = 9747123552. Its totient is φ = 8115819600.

The previous prime is 8931132307. The next prime is 8931132401. The reversal of 8931132397 is 7932311398.

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

It is a cyclic number.

It is not a de Polignac number, because 8931132397 - 2⁷ = 8931132269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8931132307) 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, 141858 + ... + 194899.

It is an arithmetic number, because the mean of its divisors is an integer number (1218390444).

Almost surely, 2^8931132397 is an apocalyptic number.

It is an amenable number.

8931132397 is a deficient number, since it is larger than the sum of its proper divisors (815991155).

8931132397 is a wasteful number, since it uses less digits than its factorization.

8931132397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339179.

The product of its digits is 244944, while the sum is 46.

The square root of 8931132397 is about 94504.6686518714. The cubic root of 8931132397 is about 2074.7646626796.

The spelling of 8931132397 in words is "eight billion, nine hundred thirty-one million, one hundred thirty-two thousand, three hundred ninety-seven".