89432816773 has 2 divisors, whose sum is σ = 89432816774. Its totient is φ = 89432816772.

The previous prime is 89432816749. The next prime is 89432816819. The reversal of 89432816773 is 37761823498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88603261569 + 829555204 = 297663^2 + 28802^2 .

It is a cyclic number.

It is not a de Polignac number, because 89432816773 - 2⁹ = 89432816261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89432816723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44716408386 + 44716408387.

It is an arithmetic number, because the mean of its divisors is an integer number (44716408387).

Almost surely, 2^89432816773 is an apocalyptic number.

It is an amenable number.

89432816773 is a deficient number, since it is larger than the sum of its proper divisors (1).

89432816773 is an equidigital number, since it uses as much as digits as its factorization.

89432816773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 58.

The spelling of 89432816773 in words is "eighty-nine billion, four hundred thirty-two million, eight hundred sixteen thousand, seven hundred seventy-three".