99448477 has 2 divisors, whose sum is σ = 99448478. Its totient is φ = 99448476.

The previous prime is 99448471. The next prime is 99448499. The reversal of 99448477 is 77484499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95472441 + 3976036 = 9771^2 + 1994^2 .

It is an emirp because it is prime and its reverse (77484499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99448477 - 2³ = 99448469 is a prime.

It is a super-3 number, since 3×99448477³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99448471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49724238 + 49724239.

It is an arithmetic number, because the mean of its divisors is an integer number (49724239).

Almost surely, 2^99448477 is an apocalyptic number.

It is an amenable number.

99448477 is a deficient number, since it is larger than the sum of its proper divisors (1).

99448477 is an equidigital number, since it uses as much as digits as its factorization.

99448477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 99448477 is about 9972.3857225841. The cubic root of 99448477 is about 463.3039954625.

The spelling of 99448477 in words is "ninety-nine million, four hundred forty-eight thousand, four hundred seventy-seven".