99776741 has 2 divisors, whose sum is σ = 99776742. Its totient is φ = 99776740.

The previous prime is 99776731. The next prime is 99776759. The reversal of 99776741 is 14767799.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 22600516 = 8785^2 + 4754^2 .

It is a cyclic number.

It is not a de Polignac number, because 99776741 - 2¹⁴ = 99760357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99776741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99776711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49888370 + 49888371.

It is an arithmetic number, because the mean of its divisors is an integer number (49888371).

Almost surely, 2^99776741 is an apocalyptic number.

It is an amenable number.

99776741 is a deficient number, since it is larger than the sum of its proper divisors (1).

99776741 is an equidigital number, since it uses as much as digits as its factorization.

99776741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 50.

The square root of 99776741 is about 9988.8308124625. The cubic root of 99776741 is about 463.8132004837.

The spelling of 99776741 in words is "ninety-nine million, seven hundred seventy-six thousand, seven hundred forty-one".