91370611 has 2 divisors, whose sum is σ = 91370612. Its totient is φ = 91370610.

The previous prime is 91370603. The next prime is 91370701. The reversal of 91370611 is 11607319.

It is a weak prime.

It is an emirp because it is prime and its reverse (11607319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91370611 - 2³ = 91370603 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91370611.

It is not a weakly prime, because it can be changed into another prime (91370711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45685305 + 45685306.

It is an arithmetic number, because the mean of its divisors is an integer number (45685306).

Almost surely, 2^91370611 is an apocalyptic number.

91370611 is a deficient number, since it is larger than the sum of its proper divisors (1).

91370611 is an equidigital number, since it uses as much as digits as its factorization.

91370611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 91370611 is about 9558.7975708245. The cubic root of 91370611 is about 450.4039352479.

The spelling of 91370611 in words is "ninety-one million, three hundred seventy thousand, six hundred eleven".