99927277 has 2 divisors, whose sum is σ = 99927278. Its totient is φ = 99927276.

The previous prime is 99927271. The next prime is 99927281. The reversal of 99927277 is 77272999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99620361 + 306916 = 9981^2 + 554^2 .

It is an emirp because it is prime and its reverse (77272999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99927277 - 2²³ = 91538669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99927271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49963638 + 49963639.

It is an arithmetic number, because the mean of its divisors is an integer number (49963639).

Almost surely, 2^99927277 is an apocalyptic number.

It is an amenable number.

99927277 is a deficient number, since it is larger than the sum of its proper divisors (1).

99927277 is an equidigital number, since it uses as much as digits as its factorization.

99927277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 52.

The square root of 99927277 is about 9996.3631886802. The cubic root of 99927277 is about 464.0463393202.

The spelling of 99927277 in words is "ninety-nine million, nine hundred twenty-seven thousand, two hundred seventy-seven".