99576377 has 2 divisors, whose sum is σ = 99576378. Its totient is φ = 99576376.

The previous prime is 99576353. The next prime is 99576439. The reversal of 99576377 is 77367599.

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., 77070841 + 22505536 = 8779^2 + 4744^2 .

It is a cyclic number.

It is not a de Polignac number, because 99576377 - 2⁶ = 99576313 is a prime.

It is a super-2 number, since 2×99576377² = 19830909712892258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99576277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49788188 + 49788189.

It is an arithmetic number, because the mean of its divisors is an integer number (49788189).

Almost surely, 2^99576377 is an apocalyptic number.

It is an amenable number.

99576377 is a deficient number, since it is larger than the sum of its proper divisors (1).

99576377 is an equidigital number, since it uses as much as digits as its factorization.

99576377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2500470, while the sum is 53.

The square root of 99576377 is about 9978.7963703044. The cubic root of 99576377 is about 463.5025277336.

The spelling of 99576377 in words is "ninety-nine million, five hundred seventy-six thousand, three hundred seventy-seven".