89355473 has 2 divisors, whose sum is σ = 89355474. Its totient is φ = 89355472.

The previous prime is 89355463. The next prime is 89355631. The reversal of 89355473 is 37455398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60109009 + 29246464 = 7753^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 89355473 - 2²² = 85161169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89355433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44677736 + 44677737.

It is an arithmetic number, because the mean of its divisors is an integer number (44677737).

Almost surely, 2^89355473 is an apocalyptic number.

It is an amenable number.

89355473 is a deficient number, since it is larger than the sum of its proper divisors (1).

89355473 is an equidigital number, since it uses as much as digits as its factorization.

89355473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 89355473 is about 9452.8023887099. The cubic root of 89355473 is about 447.0681380280.

The spelling of 89355473 in words is "eighty-nine million, three hundred fifty-five thousand, four hundred seventy-three".