94721313263777 has 2 divisors, whose sum is σ = 94721313263778. Its totient is φ = 94721313263776.

The previous prime is 94721313263749. The next prime is 94721313263851. The reversal of 94721313263777 is 77736231312749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65256652829281 + 29464660434496 = 8078159^2 + 5428136^2 .

It is an emirp because it is prime and its reverse (77736231312749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94721313263777 - 2²⁴ = 94721296486561 is a prime.

It is not a weakly prime, because it can be changed into another prime (94721313263177) 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, 47360656631888 + 47360656631889.

It is an arithmetic number, because the mean of its divisors is an integer number (47360656631889).

Almost surely, 2^{94721313263777} is an apocalyptic number.

It is an amenable number.

94721313263777 is a deficient number, since it is larger than the sum of its proper divisors (1).

94721313263777 is an equidigital number, since it uses as much as digits as its factorization.

94721313263777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56010528, while the sum is 62.

The spelling of 94721313263777 in words is "ninety-four trillion, seven hundred twenty-one billion, three hundred thirteen million, two hundred sixty-three thousand, seven hundred seventy-seven".