20008876873 has 2 divisors, whose sum is σ = 20008876874. Its totient is φ = 20008876872.

The previous prime is 20008876837. The next prime is 20008876879. The reversal of 20008876873 is 37867880002.

Together with previous prime (20008876837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19708790544 + 300086329 = 140388^2 + 17323^2 .

It is a cyclic number.

It is not a de Polignac number, because 20008876873 - 2³³ = 11418942281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20008876879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10004438436 + 10004438437.

It is an arithmetic number, because the mean of its divisors is an integer number (10004438437).

Almost surely, 2^20008876873 is an apocalyptic number.

It is an amenable number.

20008876873 is a deficient number, since it is larger than the sum of its proper divisors (1).

20008876873 is an equidigital number, since it uses as much as digits as its factorization.

20008876873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 20008876873 in words is "twenty billion, eight million, eight hundred seventy-six thousand, eight hundred seventy-three".