916089077 has 2 divisors, whose sum is σ = 916089078. Its totient is φ = 916089076.

The previous prime is 916089059. The next prime is 916089113. The reversal of 916089077 is 770980619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898440676 + 17648401 = 29974^2 + 4201^2 .

It is an emirp because it is prime and its reverse (770980619) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916089077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916089017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458044538 + 458044539.

It is an arithmetic number, because the mean of its divisors is an integer number (458044539).

Almost surely, 2^916089077 is an apocalyptic number.

It is an amenable number.

916089077 is a deficient number, since it is larger than the sum of its proper divisors (1).

916089077 is an equidigital number, since it uses as much as digits as its factorization.

916089077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 916089077 is about 30266.9634585302. The cubic root of 916089077 is about 971.2087093164.

The spelling of 916089077 in words is "nine hundred sixteen million, eighty-nine thousand, seventy-seven".