99695905 has 8 divisors (see below), whose sum is σ = 126672552. Its totient is φ = 75065088.

The previous prime is 99695891. The next prime is 99695909. The reversal of 99695905 is 50959699.

It can be written as a sum of positive squares in 4 ways, for example, as 57289761 + 42406144 = 7569^2 + 6512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99695905 - 2¹⁷ = 99564833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99695909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586362 + ... + 586531.

It is an arithmetic number, because the mean of its divisors is an integer number (15834069).

Almost surely, 2^99695905 is an apocalyptic number.

It is an amenable number.

99695905 is a deficient number, since it is larger than the sum of its proper divisors (26976647).

99695905 is a wasteful number, since it uses less digits than its factorization.

99695905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172915.

The product of its (nonzero) digits is 984150, while the sum is 52.

The square root of 99695905 is about 9984.7836731699. The cubic root of 99695905 is about 463.6879109849.

The spelling of 99695905 in words is "ninety-nine million, six hundred ninety-five thousand, nine hundred five".