99857430473 has 8 divisors (see below), whose sum is σ = 100547301192. Its totient is φ = 99168241536.

The previous prime is 99857430461. The next prime is 99857430487. The reversal of 99857430473 is 37403475899.

It can be written as a sum of positive squares in 4 ways, for example, as 39532175929 + 60325254544 = 198827^2 + 245612^2 .

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 99857430473 - 2¹⁰ = 99857429449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99857430443) 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, 125261 + ... + 464117.

It is an arithmetic number, because the mean of its divisors is an integer number (12568412649).

Almost surely, 2^99857430473 is an apocalyptic number.

It is an amenable number.

99857430473 is a deficient number, since it is larger than the sum of its proper divisors (689870719).

99857430473 is a wasteful number, since it uses less digits than its factorization.

99857430473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340891.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 99857430473 in words is "ninety-nine billion, eight hundred fifty-seven million, four hundred thirty thousand, four hundred seventy-three".