99687411 has 12 divisors (see below), whose sum is σ = 144569880. Its totient is φ = 66192000.

The previous prime is 99687409. The next prime is 99687421. The reversal of 99687411 is 11478699.

It is a happy number.

It is not a de Polignac number, because 99687411 - 2¹ = 99687409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99687421) 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 in 11 ways as a sum of consecutive naturals, for example, 19806 + ... + 24323.

It is an arithmetic number, because the mean of its divisors is an integer number (12047490).

Almost surely, 2^99687411 is an apocalyptic number.

99687411 is a deficient number, since it is larger than the sum of its proper divisors (44882469).

99687411 is a wasteful number, since it uses less digits than its factorization.

99687411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44386 (or 44383 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 99687411 is about 9984.3583168875. The cubic root of 99687411 is about 463.6747420155.

The spelling of 99687411 in words is "ninety-nine million, six hundred eighty-seven thousand, four hundred eleven".