91114007 has 2 divisors, whose sum is σ = 91114008. Its totient is φ = 91114006.

The previous prime is 91114003. The next prime is 91114021. The reversal of 91114007 is 70041119.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91114007 - 2² = 91114003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91114003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45557003 + 45557004.

It is an arithmetic number, because the mean of its divisors is an integer number (45557004).

Almost surely, 2^91114007 is an apocalyptic number.

91114007 is a deficient number, since it is larger than the sum of its proper divisors (1).

91114007 is an equidigital number, since it uses as much as digits as its factorization.

91114007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 91114007 is about 9545.3657342189. The cubic root of 91114007 is about 449.9819037990.

The spelling of 91114007 in words is "ninety-one million, one hundred fourteen thousand, seven".