99609755 has 16 divisors (see below), whose sum is σ = 137938944. Its totient is φ = 67638240.

The previous prime is 99609721. The next prime is 99609793. The reversal of 99609755 is 55790699.

It is not a de Polignac number, because 99609755 - 2⁶ = 99609691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10211 + ... + 17420.

It is an arithmetic number, because the mean of its divisors is an integer number (8621184).

Almost surely, 2^99609755 is an apocalyptic number.

99609755 is a deficient number, since it is larger than the sum of its proper divisors (38329189).

99609755 is a wasteful number, since it uses less digits than its factorization.

99609755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27746.

The product of its (nonzero) digits is 765450, while the sum is 50.

The square root of 99609755 is about 9980.4686763699. The cubic root of 99609755 is about 463.5543106282.

The spelling of 99609755 in words is "ninety-nine million, six hundred nine thousand, seven hundred fifty-five".