7864500001 has 2 divisors, whose sum is σ = 7864500002. Its totient is φ = 7864500000.

The previous prime is 7864499987. The next prime is 7864500011. The reversal of 7864500001 is 1000054687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7845707776 + 18792225 = 88576^2 + 4335^2 .

It is a cyclic number.

It is not a de Polignac number, because 7864500001 - 2⁷ = 7864499873 is a prime.

It is not a weakly prime, because it can be changed into another prime (7864500011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932250000 + 3932250001.

It is an arithmetic number, because the mean of its divisors is an integer number (3932250001).

Almost surely, 2^7864500001 is an apocalyptic number.

It is an amenable number.

7864500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7864500001 is an equidigital number, since it uses as much as digits as its factorization.

7864500001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7864500001 is about 88682.0162208776. The cubic root of 7864500001 is about 1988.6439758127.

Adding to 7864500001 its reverse (1000054687), we get a palindrome (8864554688).

The spelling of 7864500001 in words is "seven billion, eight hundred sixty-four million, five hundred thousand, one".