8763974321 has 2 divisors, whose sum is σ = 8763974322. Its totient is φ = 8763974320.

The previous prime is 8763974309. The next prime is 8763974353. The reversal of 8763974321 is 1234793678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4952640625 + 3811333696 = 70375^2 + 61736^2 .

It is a cyclic number.

It is not a de Polignac number, because 8763974321 - 2²² = 8759780017 is a prime.

It is a super-2 number, since 2×8763974321² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8763974321.

It is not a weakly prime, because it can be changed into another prime (8763934321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4381987160 + 4381987161.

It is an arithmetic number, because the mean of its divisors is an integer number (4381987161).

Almost surely, 2^8763974321 is an apocalyptic number.

It is an amenable number.

8763974321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8763974321 is an equidigital number, since it uses as much as digits as its factorization.

8763974321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 8763974321 is about 93616.1007572949. The cubic root of 8763974321 is about 2061.7390600263.

The spelling of 8763974321 in words is "eight billion, seven hundred sixty-three million, nine hundred seventy-four thousand, three hundred twenty-one".