89071457 has 2 divisors, whose sum is σ = 89071458. Its totient is φ = 89071456.

The previous prime is 89071399. The next prime is 89071471. The reversal of 89071457 is 75417098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74926336 + 14145121 = 8656^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 89071457 - 2²⁰ = 88022881 is a prime.

It is not a weakly prime, because it can be changed into another prime (89071657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44535728 + 44535729.

It is an arithmetic number, because the mean of its divisors is an integer number (44535729).

Almost surely, 2^89071457 is an apocalyptic number.

It is an amenable number.

89071457 is a deficient number, since it is larger than the sum of its proper divisors (1).

89071457 is an equidigital number, since it uses as much as digits as its factorization.

89071457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 89071457 is about 9437.7675856105. The cubic root of 89071457 is about 446.5939672156.

The spelling of 89071457 in words is "eighty-nine million, seventy-one thousand, four hundred fifty-seven".