706993783987 has 2 divisors, whose sum is σ = 706993783988. Its totient is φ = 706993783986.

The previous prime is 706993783981. The next prime is 706993784011. The reversal of 706993783987 is 789387399607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 706993783987 - 2²³ = 706985395379 is a prime.

It is not a weakly prime, because it can be changed into another prime (706993783981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353496891993 + 353496891994.

It is an arithmetic number, because the mean of its divisors is an integer number (353496891994).

Almost surely, 2^706993783987 is an apocalyptic number.

706993783987 is a deficient number, since it is larger than the sum of its proper divisors (1).

706993783987 is an equidigital number, since it uses as much as digits as its factorization.

706993783987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864162432, while the sum is 76.

The spelling of 706993783987 in words is "seven hundred six billion, nine hundred ninety-three million, seven hundred eighty-three thousand, nine hundred eighty-seven".