91016027 has 2 divisors, whose sum is σ = 91016028. Its totient is φ = 91016026.

The previous prime is 91015987. The next prime is 91016039. The reversal of 91016027 is 72061019.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91016027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 91015987 and 91016005.

It is not a weakly prime, because it can be changed into another prime (91016047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45508013 + 45508014.

It is an arithmetic number, because the mean of its divisors is an integer number (45508014).

Almost surely, 2^91016027 is an apocalyptic number.

91016027 is a deficient number, since it is larger than the sum of its proper divisors (1).

91016027 is an equidigital number, since it uses as much as digits as its factorization.

91016027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 91016027 is about 9540.2320202393. The cubic root of 91016027 is about 449.8205490242.

The spelling of 91016027 in words is "ninety-one million, sixteen thousand, twenty-seven".