91000675267 has 2 divisors, whose sum is σ = 91000675268. Its totient is φ = 91000675266.

The previous prime is 91000675253. The next prime is 91000675273. The reversal of 91000675267 is 76257600019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91000675267 - 2¹¹ = 91000673219 is a prime.

It is a super-2 number, since 2×91000675267² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (91000675867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45500337633 + 45500337634.

It is an arithmetic number, because the mean of its divisors is an integer number (45500337634).

Almost surely, 2^91000675267 is an apocalyptic number.

91000675267 is a deficient number, since it is larger than the sum of its proper divisors (1).

91000675267 is an equidigital number, since it uses as much as digits as its factorization.

91000675267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 91000675267 in words is "ninety-one billion, six hundred seventy-five thousand, two hundred sixty-seven".