89709853 has 2 divisors, whose sum is σ = 89709854. Its totient is φ = 89709852.

The previous prime is 89709817. The next prime is 89709871. The reversal of 89709853 is 35890798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64689849 + 25020004 = 8043^2 + 5002^2 .

It is a cyclic number.

It is not a de Polignac number, because 89709853 - 2⁹ = 89709341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89709797 and 89709806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89709253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44854926 + 44854927.

It is an arithmetic number, because the mean of its divisors is an integer number (44854927).

Almost surely, 2^89709853 is an apocalyptic number.

It is an amenable number.

89709853 is a deficient number, since it is larger than the sum of its proper divisors (1).

89709853 is an equidigital number, since it uses as much as digits as its factorization.

89709853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 89709853 is about 9471.5285461218. The cubic root of 89709853 is about 447.6583761590.

The spelling of 89709853 in words is "eighty-nine million, seven hundred nine thousand, eight hundred fifty-three".