8321332537 has 12 divisors (see below), whose sum is σ = 9686327376. Its totient is φ = 7127847720.

The previous prime is 8321332519. The next prime is 8321332583. The reversal of 8321332537 is 7352331238.

It is not a de Polignac number, because 8321332537 - 2¹¹ = 8321330489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8321332496 and 8321332505.

It is not an unprimeable number, because it can be changed into a prime (8321332237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19558 + ... + 130480.

It is an arithmetic number, because the mean of its divisors is an integer number (807193948).

Almost surely, 2^8321332537 is an apocalyptic number.

It is an amenable number.

8321332537 is a deficient number, since it is larger than the sum of its proper divisors (1364994839).

8321332537 is a wasteful number, since it uses less digits than its factorization.

8321332537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112468 (or 112461 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 8321332537 is about 91221.3381671196. The cubic root of 8321332537 is about 2026.4269807431.

The spelling of 8321332537 in words is "eight billion, three hundred twenty-one million, three hundred thirty-two thousand, five hundred thirty-seven".