81488688059 has 2 divisors, whose sum is σ = 81488688060. Its totient is φ = 81488688058.

The previous prime is 81488688013. The next prime is 81488688091. The reversal of 81488688059 is 95088688418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 81488688059 - 2⁸ = 81488687803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 81488687986 and 81488688004.

It is not a weakly prime, because it can be changed into another prime (81488618059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40744344029 + 40744344030.

It is an arithmetic number, because the mean of its divisors is an integer number (40744344030).

Almost surely, 2^81488688059 is an apocalyptic number.

81488688059 is a deficient number, since it is larger than the sum of its proper divisors (1).

81488688059 is an equidigital number, since it uses as much as digits as its factorization.

81488688059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35389440, while the sum is 65.

The spelling of 81488688059 in words is "eighty-one billion, four hundred eighty-eight million, six hundred eighty-eight thousand, fifty-nine".