99728388395 has 8 divisors (see below), whose sum is σ = 119919806304. Its totient is φ = 79618883904.

The previous prime is 99728388323. The next prime is 99728388433. The reversal of 99728388395 is 59388382799.

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 99728388395 - 2³² = 95433421099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20475674 + ... + 20480543.

It is an arithmetic number, because the mean of its divisors is an integer number (14989975788).

Almost surely, 2^99728388395 is an apocalyptic number.

99728388395 is a deficient number, since it is larger than the sum of its proper divisors (20191417909).

99728388395 is a wasteful number, since it uses less digits than its factorization.

99728388395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40956709.

The product of its digits is 235146240, while the sum is 71.

The spelling of 99728388395 in words is "ninety-nine billion, seven hundred twenty-eight million, three hundred eighty-eight thousand, three hundred ninety-five".