9926377873 has 2 divisors, whose sum is σ = 9926377874. Its totient is φ = 9926377872.

The previous prime is 9926377861. The next prime is 9926377913. The reversal of 9926377873 is 3787736299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9866051584 + 60326289 = 99328^2 + 7767^2 .

It is a cyclic number.

It is not a de Polignac number, because 9926377873 - 2²⁵ = 9892823441 is a prime.

It is not a weakly prime, because it can be changed into another prime (9926377273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4963188936 + 4963188937.

It is an arithmetic number, because the mean of its divisors is an integer number (4963188937).

Almost surely, 2^9926377873 is an apocalyptic number.

It is an amenable number.

9926377873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9926377873 is an equidigital number, since it uses as much as digits as its factorization.

9926377873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24004512, while the sum is 61.

The square root of 9926377873 is about 99631.2093322168. The cubic root of 9926377873 is about 2149.1345262166.

The spelling of 9926377873 in words is "nine billion, nine hundred twenty-six million, three hundred seventy-seven thousand, eight hundred seventy-three".