99507693 has 8 divisors (see below), whose sum is σ = 139660000. Its totient is φ = 62846928.

The previous prime is 99507649. The next prime is 99507721. The reversal of 99507693 is 39670599.

It is a happy number.

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

It is not a de Polignac number, because 99507693 - 2⁸ = 99507437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99507623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 872818 + ... + 872931.

It is an arithmetic number, because the mean of its divisors is an integer number (17457500).

Almost surely, 2^99507693 is an apocalyptic number.

It is an amenable number.

99507693 is a deficient number, since it is larger than the sum of its proper divisors (40152307).

99507693 is a wasteful number, since it uses less digits than its factorization.

99507693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745771.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 99507693 is about 9975.3542794229. The cubic root of 99507693 is about 463.3959344132.

The spelling of 99507693 in words is "ninety-nine million, five hundred seven thousand, six hundred ninety-three".