89775853 has 2 divisors, whose sum is σ = 89775854. Its totient is φ = 89775852.

The previous prime is 89775841. The next prime is 89775869. The reversal of 89775853 is 35857798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74425129 + 15350724 = 8627^2 + 3918^2 .

It is a cyclic number.

It is not a de Polignac number, because 89775853 - 2⁵ = 89775821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89775853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89775823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44887926 + 44887927.

It is an arithmetic number, because the mean of its divisors is an integer number (44887927).

Almost surely, 2^89775853 is an apocalyptic number.

It is an amenable number.

89775853 is a deficient number, since it is larger than the sum of its proper divisors (1).

89775853 is an equidigital number, since it uses as much as digits as its factorization.

89775853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 52.

The square root of 89775853 is about 9475.0120316546. The cubic root of 89775853 is about 447.7681307706.

The spelling of 89775853 in words is "eighty-nine million, seven hundred seventy-five thousand, eight hundred fifty-three".