99428636159 has 8 divisors (see below), whose sum is σ = 103460068800. Its totient is φ = 95477034016.

The previous prime is 99428636141. The next prime is 99428636183. The reversal of 99428636159 is 95163682499.

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

It is not a de Polignac number, because 99428636159 - 2¹⁶ = 99428570623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99428636119) 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, 19955084 + ... + 19960065.

It is an arithmetic number, because the mean of its divisors is an integer number (12932508600).

Almost surely, 2^99428636159 is an apocalyptic number.

99428636159 is a deficient number, since it is larger than the sum of its proper divisors (4031432641).

99428636159 is a wasteful number, since it uses less digits than its factorization.

99428636159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39915249.

The product of its digits is 25194240, while the sum is 62.

The spelling of 99428636159 in words is "ninety-nine billion, four hundred twenty-eight million, six hundred thirty-six thousand, one hundred fifty-nine".