99806847698 has 8 divisors (see below), whose sum is σ = 149714805708. Its totient is φ = 49901912464.

The previous prime is 99806847671. The next prime is 99806847713. The reversal of 99806847698 is 89674860899.

99806847698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 94880632729 + 4926214969 = 308027^2 + 70187^2 .

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

It is a super-2 number, since 2×99806847698² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671261 + ... + 806352.

Almost surely, 2^99806847698 is an apocalyptic number.

99806847698 is a deficient number, since it is larger than the sum of its proper divisors (49907958010).

99806847698 is a wasteful number, since it uses less digits than its factorization.

99806847698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511388.

The product of its (nonzero) digits is 376233984, while the sum is 74.

The spelling of 99806847698 in words is "ninety-nine billion, eight hundred six million, eight hundred forty-seven thousand, six hundred ninety-eight".