89881776360031 has 2 divisors, whose sum is σ = 89881776360032. Its totient is φ = 89881776360030.

The previous prime is 89881776359959. The next prime is 89881776360059. The reversal of 89881776360031 is 13006367718898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89881776360031 - 2¹¹ = 89881776357983 is a prime.

It is a super-2 number, since 2×89881776360031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89881776360091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44940888180015 + 44940888180016.

It is an arithmetic number, because the mean of its divisors is an integer number (44940888180016).

Almost surely, 2^{89881776360031} is an apocalyptic number.

89881776360031 is a deficient number, since it is larger than the sum of its proper divisors (1).

89881776360031 is an equidigital number, since it uses as much as digits as its factorization.

89881776360031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 89881776360031 in words is "eighty-nine trillion, eight hundred eighty-one billion, seven hundred seventy-six million, three hundred sixty thousand, thirty-one".