89535997 has 2 divisors, whose sum is σ = 89535998. Its totient is φ = 89535996.

The previous prime is 89535949. The next prime is 89536067. The reversal of 89535997 is 79953598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53787556 + 35748441 = 7334^2 + 5979^2 .

It is a cyclic number.

It is not a de Polignac number, because 89535997 - 2¹⁵ = 89503229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89535917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44767998 + 44767999.

It is an arithmetic number, because the mean of its divisors is an integer number (44767999).

Almost surely, 2^89535997 is an apocalyptic number.

It is an amenable number.

89535997 is a deficient number, since it is larger than the sum of its proper divisors (1).

89535997 is an equidigital number, since it uses as much as digits as its factorization.

89535997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 55.

The square root of 89535997 is about 9462.3462735201. The cubic root of 89535997 is about 447.3690046549.

The spelling of 89535997 in words is "eighty-nine million, five hundred thirty-five thousand, nine hundred ninety-seven".