9984006377 has 2 divisors, whose sum is σ = 9984006378. Its totient is φ = 9984006376.

The previous prime is 9984006371. The next prime is 9984006421. The reversal of 9984006377 is 7736004899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9914384041 + 69622336 = 99571^2 + 8344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9984006377 is a prime.

It is a super-2 number, since 2×9984006377² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9984006371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992003188 + 4992003189.

It is an arithmetic number, because the mean of its divisors is an integer number (4992003189).

Almost surely, 2^9984006377 is an apocalyptic number.

It is an amenable number.

9984006377 is a deficient number, since it is larger than the sum of its proper divisors (1).

9984006377 is an equidigital number, since it uses as much as digits as its factorization.

9984006377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9984006377 is about 99919.9998849079. Note that the first 3 decimals coincide. The cubic root of 9984006377 is about 2153.2855032850.

The spelling of 9984006377 in words is "nine billion, nine hundred eighty-four million, six thousand, three hundred seventy-seven".