81600888883 has 2 divisors, whose sum is σ = 81600888884. Its totient is φ = 81600888882.

The previous prime is 81600888881. The next prime is 81600888899. The reversal of 81600888883 is 38888800618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 81600888883 - 2¹ = 81600888881 is a prime.

Together with 81600888881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (81600888881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40800444441 + 40800444442.

It is an arithmetic number, because the mean of its divisors is an integer number (40800444442).

Almost surely, 2^81600888883 is an apocalyptic number.

81600888883 is a deficient number, since it is larger than the sum of its proper divisors (1).

81600888883 is an equidigital number, since it uses as much as digits as its factorization.

81600888883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4718592, while the sum is 58.

The spelling of 81600888883 in words is "eighty-one billion, six hundred million, eight hundred eighty-eight thousand, eight hundred eighty-three".