999992800884757 has 2 divisors, whose sum is σ = 999992800884758. Its totient is φ = 999992800884756.

The previous prime is 999992800884739. The next prime is 999992800884797. The reversal of 999992800884757 is 757488008299999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573445111397796 + 426547689486961 = 23946714^2 + 20653031^2 .

It is an emirp because it is prime and its reverse (757488008299999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999992800884757 - 2²³ = 999992792496149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999992800884797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499996400442378 + 499996400442379.

It is an arithmetic number, because the mean of its divisors is an integer number (499996400442379).

Almost surely, 2^{999992800884757} is an apocalyptic number.

It is an amenable number.

999992800884757 is a deficient number, since it is larger than the sum of its proper divisors (1).

999992800884757 is an equidigital number, since it uses as much as digits as its factorization.

999992800884757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59256852480, while the sum is 94.

The spelling of 999992800884757 in words is "nine hundred ninety-nine trillion, nine hundred ninety-two billion, eight hundred million, eight hundred eighty-four thousand, seven hundred fifty-seven".