89533897 has 2 divisors, whose sum is σ = 89533898. Its totient is φ = 89533896.

The previous prime is 89533891. The next prime is 89533903. The reversal of 89533897 is 79833598.

It is a balanced prime because it is at equal distance from previous prime (89533891) and next prime (89533903).

It can be written as a sum of positive squares in only one way, i.e., 86657481 + 2876416 = 9309^2 + 1696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89533897 is a prime.

It is not a weakly prime, because it can be changed into another prime (89533891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44766948 + 44766949.

It is an arithmetic number, because the mean of its divisors is an integer number (44766949).

Almost surely, 2^89533897 is an apocalyptic number.

It is an amenable number.

89533897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89533897 is an equidigital number, since it uses as much as digits as its factorization.

89533897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 89533897 is about 9462.2353067338. The cubic root of 89533897 is about 447.3655070588.

The spelling of 89533897 in words is "eighty-nine million, five hundred thirty-three thousand, eight hundred ninety-seven".