99967937 has 2 divisors, whose sum is σ = 99967938. Its totient is φ = 99967936.

The previous prime is 99967927. The next prime is 99967961. The reversal of 99967937 is 73976999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78074896 + 21893041 = 8836^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 99967937 - 2²⁰ = 98919361 is a prime.

It is not a weakly prime, because it can be changed into another prime (99967927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49983968 + 49983969.

It is an arithmetic number, because the mean of its divisors is an integer number (49983969).

Almost surely, 2^99967937 is an apocalyptic number.

It is an amenable number.

99967937 is a deficient number, since it is larger than the sum of its proper divisors (1).

99967937 is an equidigital number, since it uses as much as digits as its factorization.

99967937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5786802, while the sum is 59.

The square root of 99967937 is about 9998.3967214749. The cubic root of 99967937 is about 464.1092703042.

The spelling of 99967937 in words is "ninety-nine million, nine hundred sixty-seven thousand, nine hundred thirty-seven".