99537439 has 2 divisors, whose sum is σ = 99537440. Its totient is φ = 99537438.

The previous prime is 99537377. The next prime is 99537461. The reversal of 99537439 is 93473599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99537439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99537392 and 99537401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99537479) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49768719 + 49768720.

It is an arithmetic number, because the mean of its divisors is an integer number (49768720).

Almost surely, 2^99537439 is an apocalyptic number.

99537439 is a deficient number, since it is larger than the sum of its proper divisors (1).

99537439 is an equidigital number, since it uses as much as digits as its factorization.

99537439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 49.

The square root of 99537439 is about 9976.8451426290. The cubic root of 99537439 is about 463.4421043851.

The spelling of 99537439 in words is "ninety-nine million, five hundred thirty-seven thousand, four hundred thirty-nine".