916527089 has 2 divisors, whose sum is σ = 916527090. Its totient is φ = 916527088.

The previous prime is 916527071. The next prime is 916527109. The reversal of 916527089 is 980725619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839087089 + 77440000 = 28967^2 + 8800^2 .

It is a cyclic number.

It is not a de Polignac number, because 916527089 - 2²⁰ = 915478513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (916527019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458263544 + 458263545.

It is an arithmetic number, because the mean of its divisors is an integer number (458263545).

Almost surely, 2^916527089 is an apocalyptic number.

It is an amenable number.

916527089 is a deficient number, since it is larger than the sum of its proper divisors (1).

916527089 is an equidigital number, since it uses as much as digits as its factorization.

916527089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 916527089 is about 30274.1984039214. The cubic root of 916527089 is about 971.3634734831.

The spelling of 916527089 in words is "nine hundred sixteen million, five hundred twenty-seven thousand, eighty-nine".