95665991 has 2 divisors, whose sum is σ = 95665992. Its totient is φ = 95665990.

The previous prime is 95665967. The next prime is 95666003. The reversal of 95665991 is 19956659.

It is a strong prime.

It is an emirp because it is prime and its reverse (19956659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 95665991 - 2²² = 91471687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95665391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47832995 + 47832996.

It is an arithmetic number, because the mean of its divisors is an integer number (47832996).

Almost surely, 2^95665991 is an apocalyptic number.

95665991 is a deficient number, since it is larger than the sum of its proper divisors (1).

95665991 is an equidigital number, since it uses as much as digits as its factorization.

95665991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 50.

The square root of 95665991 is about 9780.8992940322. The cubic root of 95665991 is about 457.3540454320.

The spelling of 95665991 in words is "ninety-five million, six hundred sixty-five thousand, nine hundred ninety-one".