89211316877 has 2 divisors, whose sum is σ = 89211316878. Its totient is φ = 89211316876.

The previous prime is 89211316837. The next prime is 89211316879. The reversal of 89211316877 is 77861311298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89203171561 + 8145316 = 298669^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 89211316877 - 2¹⁸ = 89211054733 is a prime.

Together with 89211316879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89211316879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44605658438 + 44605658439.

It is an arithmetic number, because the mean of its divisors is an integer number (44605658439).

Almost surely, 2^89211316877 is an apocalyptic number.

It is an amenable number.

89211316877 is a deficient number, since it is larger than the sum of its proper divisors (1).

89211316877 is an equidigital number, since it uses as much as digits as its factorization.

89211316877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 53.

The spelling of 89211316877 in words is "eighty-nine billion, two hundred eleven million, three hundred sixteen thousand, eight hundred seventy-seven".