986661007 has 2 divisors, whose sum is σ = 986661008. Its totient is φ = 986661006.

The previous prime is 986661001. The next prime is 986661037. The reversal of 986661007 is 700166689.

It is a weak prime.

It is an emirp because it is prime and its reverse (700166689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986661007 - 2¹⁵ = 986628239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986661001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493330503 + 493330504.

It is an arithmetic number, because the mean of its divisors is an integer number (493330504).

Almost surely, 2^986661007 is an apocalyptic number.

986661007 is a deficient number, since it is larger than the sum of its proper divisors (1).

986661007 is an equidigital number, since it uses as much as digits as its factorization.

986661007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 986661007 is about 31411.1605484420. The cubic root of 986661007 is about 995.5337513194.

The spelling of 986661007 in words is "nine hundred eighty-six million, six hundred sixty-one thousand, seven".