89340557 has 2 divisors, whose sum is σ = 89340558. Its totient is φ = 89340556.

The previous prime is 89340523. The next prime is 89340569. The reversal of 89340557 is 75504398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55071241 + 34269316 = 7421^2 + 5854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89340557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89340857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44670278 + 44670279.

It is an arithmetic number, because the mean of its divisors is an integer number (44670279).

Almost surely, 2^89340557 is an apocalyptic number.

It is an amenable number.

89340557 is a deficient number, since it is larger than the sum of its proper divisors (1).

89340557 is an equidigital number, since it uses as much as digits as its factorization.

89340557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 89340557 is about 9452.0133834014. The cubic root of 89340557 is about 447.0432604642.

The spelling of 89340557 in words is "eighty-nine million, three hundred forty thousand, five hundred fifty-seven".