8321707442 has 16 divisors (see below), whose sum is σ = 12568053120. Its totient is φ = 4132381968.

The previous prime is 8321707439. The next prime is 8321707517. The reversal of 8321707442 is 2447071238.

It is a junction number, because it is equal to n+sod(n) for n = 8321707396 and 8321707405.

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, 829943 + ... + 839909.

It is an arithmetic number, because the mean of its divisors is an integer number (785503320).

Almost surely, 2^8321707442 is an apocalyptic number.

8321707442 is a deficient number, since it is larger than the sum of its proper divisors (4246345678).

8321707442 is a wasteful number, since it uses less digits than its factorization.

8321707442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 8321707442 is about 91223.3930634023. The cubic root of 8321707442 is about 2026.4574128162.

The spelling of 8321707442 in words is "eight billion, three hundred twenty-one million, seven hundred seven thousand, four hundred forty-two".