89070517 has 2 divisors, whose sum is σ = 89070518. Its totient is φ = 89070516.

The previous prime is 89070511. The next prime is 89070539. The reversal of 89070517 is 71507098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88341201 + 729316 = 9399^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 89070517 - 2¹⁹ = 88546229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89070511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44535258 + 44535259.

It is an arithmetic number, because the mean of its divisors is an integer number (44535259).

Almost surely, 2^89070517 is an apocalyptic number.

It is an amenable number.

89070517 is a deficient number, since it is larger than the sum of its proper divisors (1).

89070517 is an equidigital number, since it uses as much as digits as its factorization.

89070517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 89070517 is about 9437.7177855666. The cubic root of 89070517 is about 446.5923961931.

The spelling of 89070517 in words is "eighty-nine million, seventy thousand, five hundred seventeen".