99761938 has 12 divisors (see below), whose sum is σ = 153431838. Its totient is φ = 48620240.

The previous prime is 99761927. The next prime is 99761939. The reversal of 99761938 is 83916799.

It can be written as a sum of positive squares in only one way, i.e., 98545329 + 1216609 = 9927^2 + 1103^2 .

It is not an unprimeable number, because it can be changed into a prime (99761939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89895 + ... + 90997.

Almost surely, 2^99761938 is an apocalyptic number.

99761938 is a deficient number, since it is larger than the sum of its proper divisors (53669900).

99761938 is an equidigital number, since it uses as much as digits as its factorization.

99761938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 1146 counting only the distinct ones).

The product of its digits is 734832, while the sum is 52.

The square root of 99761938 is about 9988.0898073656. The cubic root of 99761938 is about 463.7902620503.

The spelling of 99761938 in words is "ninety-nine million, seven hundred sixty-one thousand, nine hundred thirty-eight".