8630328997 has 2 divisors, whose sum is σ = 8630328998. Its totient is φ = 8630328996.

The previous prime is 8630328991. The next prime is 8630329049. The reversal of 8630328997 is 7998230368.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7570566081 + 1059762916 = 87009^2 + 32554^2 .

It is a cyclic number.

It is not a de Polignac number, because 8630328997 - 2⁷ = 8630328869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8630328991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4315164498 + 4315164499.

It is an arithmetic number, because the mean of its divisors is an integer number (4315164499).

Almost surely, 2^8630328997 is an apocalyptic number.

It is an amenable number.

8630328997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8630328997 is an equidigital number, since it uses as much as digits as its factorization.

8630328997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 8630328997 is about 92899.5640301934. The cubic root of 8630328997 is about 2051.2052398763.

The spelling of 8630328997 in words is "eight billion, six hundred thirty million, three hundred twenty-eight thousand, nine hundred ninety-seven".