89316856777 has 16 divisors (see below), whose sum is σ = 97150078080. Its totient is φ = 81857776000.

The previous prime is 89316856771. The next prime is 89316856873. The reversal of 89316856777 is 77765861398.

It is a cyclic number.

It is not a de Polignac number, because 89316856777 - 2²³ = 89308468169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89316856771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423724 + ... + 598477.

It is an arithmetic number, because the mean of its divisors is an integer number (6071879880).

Almost surely, 2^89316856777 is an apocalyptic number.

It is an amenable number.

89316856777 is a deficient number, since it is larger than the sum of its proper divisors (7833221303).

89316856777 is a wasteful number, since it uses less digits than its factorization.

89316856777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022384.

The product of its digits is 106686720, while the sum is 67.

The spelling of 89316856777 in words is "eighty-nine billion, three hundred sixteen million, eight hundred fifty-six thousand, seven hundred seventy-seven".