89066729 has 2 divisors, whose sum is σ = 89066730. Its totient is φ = 89066728.

The previous prime is 89066711. The next prime is 89066759. The reversal of 89066729 is 92766098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82446400 + 6620329 = 9080^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 89066729 - 2²⁴ = 72289513 is a prime.

It is not a weakly prime, because it can be changed into another prime (89066759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44533364 + 44533365.

It is an arithmetic number, because the mean of its divisors is an integer number (44533365).

Almost surely, 2^89066729 is an apocalyptic number.

It is an amenable number.

89066729 is a deficient number, since it is larger than the sum of its proper divisors (1).

89066729 is an equidigital number, since it uses as much as digits as its factorization.

89066729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 89066729 is about 9437.5170993223. The cubic root of 89066729 is about 446.5860651944.

The spelling of 89066729 in words is "eighty-nine million, sixty-six thousand, seven hundred twenty-nine".