96665186987 has 2 divisors, whose sum is σ = 96665186988. Its totient is φ = 96665186986.

The previous prime is 96665186957. The next prime is 96665186993. The reversal of 96665186987 is 78968156669.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 96665186987 - 2⁸ = 96665186731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 96665186987.

It is not a weakly prime, because it can be changed into another prime (96665186927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48332593493 + 48332593494.

It is an arithmetic number, because the mean of its divisors is an integer number (48332593494).

Almost surely, 2^96665186987 is an apocalyptic number.

96665186987 is a deficient number, since it is larger than the sum of its proper divisors (1).

96665186987 is an equidigital number, since it uses as much as digits as its factorization.

96665186987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 71.

The spelling of 96665186987 in words is "ninety-six billion, six hundred sixty-five million, one hundred eighty-six thousand, nine hundred eighty-seven".