89678453 has 2 divisors, whose sum is σ = 89678454. Its totient is φ = 89678452.

The previous prime is 89678401. The next prime is 89678483. The reversal of 89678453 is 35487698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46144849 + 43533604 = 6793^2 + 6598^2 .

It is a cyclic number.

It is not a de Polignac number, because 89678453 - 2²² = 85484149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89678483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44839226 + 44839227.

It is an arithmetic number, because the mean of its divisors is an integer number (44839227).

Almost surely, 2^89678453 is an apocalyptic number.

It is an amenable number.

89678453 is a deficient number, since it is larger than the sum of its proper divisors (1).

89678453 is an equidigital number, since it uses as much as digits as its factorization.

89678453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 89678453 is about 9469.8708016530. The cubic root of 89678453 is about 447.6061406729.

The spelling of 89678453 in words is "eighty-nine million, six hundred seventy-eight thousand, four hundred fifty-three".