99674884680061 has 2 divisors, whose sum is σ = 99674884680062. Its totient is φ = 99674884680060.

The previous prime is 99674884679999. The next prime is 99674884680089. The reversal of 99674884680061 is 16008648847699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95167458455161 + 4507426224900 = 9755381^2 + 2123070^2 .

It is an emirp because it is prime and its reverse (16008648847699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99674884680061 - 2³¹ = 99672737196413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99674884680061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99674884680461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49837442340030 + 49837442340031.

It is an arithmetic number, because the mean of its divisors is an integer number (49837442340031).

Almost surely, 2^{99674884680061} is an apocalyptic number.

It is an amenable number.

99674884680061 is a deficient number, since it is larger than the sum of its proper divisors (1).

99674884680061 is an equidigital number, since it uses as much as digits as its factorization.

99674884680061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1003290624, while the sum is 76.

The spelling of 99674884680061 in words is "ninety-nine trillion, six hundred seventy-four billion, eight hundred eighty-four million, six hundred eighty thousand, sixty-one".