99452777 has 2 divisors, whose sum is σ = 99452778. Its totient is φ = 99452776.

The previous prime is 99452767. The next prime is 99452809. The reversal of 99452777 is 77725499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 1125721 = 9916^2 + 1061^2 .

It is an emirp because it is prime and its reverse (77725499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99452777 - 2¹² = 99448681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99452767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49726388 + 49726389.

It is an arithmetic number, because the mean of its divisors is an integer number (49726389).

Almost surely, 2^99452777 is an apocalyptic number.

It is an amenable number.

99452777 is a deficient number, since it is larger than the sum of its proper divisors (1).

99452777 is an equidigital number, since it uses as much as digits as its factorization.

99452777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 50.

The square root of 99452777 is about 9972.6013156047. The cubic root of 99452777 is about 463.3106728849.

The spelling of 99452777 in words is "ninety-nine million, four hundred fifty-two thousand, seven hundred seventy-seven".