99704639289 has 8 divisors (see below), whose sum is σ = 132941617792. Its totient is φ = 66468710160.

The previous prime is 99704639273. The next prime is 99704639303. The reversal of 99704639289 is 98293640799.

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

It is not a de Polignac number, because 99704639289 - 2⁴ = 99704639273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99704638289) 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, 4417 + ... + 446574.

It is an arithmetic number, because the mean of its divisors is an integer number (16617702224).

Almost surely, 2^99704639289 is an apocalyptic number.

It is an amenable number.

99704639289 is a deficient number, since it is larger than the sum of its proper divisors (33236978503).

99704639289 is a wasteful number, since it uses less digits than its factorization.

99704639289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524687.

The product of its (nonzero) digits is 52907904, while the sum is 66.

The spelling of 99704639289 in words is "ninety-nine billion, seven hundred four million, six hundred thirty-nine thousand, two hundred eighty-nine".