8321122997 has 16 divisors (see below), whose sum is σ = 9241689600. Its totient is φ = 7428192240.

The previous prime is 8321122969. The next prime is 8321123023. The reversal of 8321122997 is 7992211238.

It is a cyclic number.

It is not a de Polignac number, because 8321122997 - 2⁸ = 8321122741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8321122937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620954 + ... + 634212.

It is an arithmetic number, because the mean of its divisors is an integer number (577605600).

Almost surely, 2^8321122997 is an apocalyptic number.

It is an amenable number.

8321122997 is a deficient number, since it is larger than the sum of its proper divisors (920566603).

8321122997 is a wasteful number, since it uses less digits than its factorization.

8321122997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14296.

The product of its digits is 108864, while the sum is 44.

The square root of 8321122997 is about 91220.1896347514. The cubic root of 8321122997 is about 2026.4099714051.

The spelling of 8321122997 in words is "eight billion, three hundred twenty-one million, one hundred twenty-two thousand, nine hundred ninety-seven".