89577541 has 2 divisors, whose sum is σ = 89577542. Its totient is φ = 89577540.

The previous prime is 89577529. The next prime is 89577563. The reversal of 89577541 is 14577598.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 7584516 = 9055^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 89577541 - 2⁷ = 89577413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89577491 and 89577500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89577581) 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, 44788770 + 44788771.

It is an arithmetic number, because the mean of its divisors is an integer number (44788771).

Almost surely, 2^89577541 is an apocalyptic number.

It is an amenable number.

89577541 is a deficient number, since it is larger than the sum of its proper divisors (1).

89577541 is an equidigital number, since it uses as much as digits as its factorization.

89577541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 46.

The square root of 89577541 is about 9464.5412461461. The cubic root of 89577541 is about 447.4381858586.

The spelling of 89577541 in words is "eighty-nine million, five hundred seventy-seven thousand, five hundred forty-one".