99361599447 has 8 divisors (see below), whose sum is σ = 144525962880. Its totient is φ = 60219151160.

The previous prime is 99361599433. The next prime is 99361599457. The reversal of 99361599447 is 74499516399.

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 99361599447 - 2⁷ = 99361599319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99361599457) 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, 1505478747 + ... + 1505478812.

It is an arithmetic number, because the mean of its divisors is an integer number (18065745360).

Almost surely, 2^99361599447 is an apocalyptic number.

99361599447 is a deficient number, since it is larger than the sum of its proper divisors (45164363433).

99361599447 is a wasteful number, since it uses less digits than its factorization.

99361599447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010957573.

The product of its digits is 66134880, while the sum is 66.

The spelling of 99361599447 in words is "ninety-nine billion, three hundred sixty-one million, five hundred ninety-nine thousand, four hundred forty-seven".