999748007 has 2 divisors, whose sum is σ = 999748008. Its totient is φ = 999748006.

The previous prime is 999747989. The next prime is 999748037. The reversal of 999748007 is 700847999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999748007 - 2²⁸ = 731312551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999748007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999748037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499874003 + 499874004.

It is an arithmetic number, because the mean of its divisors is an integer number (499874004).

Almost surely, 2^999748007 is an apocalyptic number.

999748007 is a deficient number, since it is larger than the sum of its proper divisors (1).

999748007 is an equidigital number, since it uses as much as digits as its factorization.

999748007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 999748007 is about 31618.7919914724. The cubic root of 999748007 is about 999.9159952767.

The spelling of 999748007 in words is "nine hundred ninety-nine million, seven hundred forty-eight thousand, seven".