990077713 has 2 divisors, whose sum is σ = 990077714. Its totient is φ = 990077712.

The previous prime is 990077681. The next prime is 990077729. The reversal of 990077713 is 317770099.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 979502209 + 10575504 = 31297^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 990077713 - 2⁵ = 990077681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 990077713.

It is not a weakly prime, because it can be changed into another prime (990777713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495038856 + 495038857.

It is an arithmetic number, because the mean of its divisors is an integer number (495038857).

Almost surely, 2^990077713 is an apocalyptic number.

It is an amenable number.

990077713 is a deficient number, since it is larger than the sum of its proper divisors (1).

990077713 is an equidigital number, since it uses as much as digits as its factorization.

990077713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83349, while the sum is 43.

The square root of 990077713 is about 31465.5003615070. The cubic root of 990077713 is about 996.6815712112.

The spelling of 990077713 in words is "nine hundred ninety million, seventy-seven thousand, seven hundred thirteen".