99801357 has 8 divisors (see below), whose sum is σ = 140072160. Its totient is φ = 63032400.

The previous prime is 99801353. The next prime is 99801379. The reversal of 99801357 is 75310899.

It is a happy number.

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

It is not a de Polignac number, because 99801357 - 2² = 99801353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99801353) 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, 875394 + ... + 875507.

It is an arithmetic number, because the mean of its divisors is an integer number (17509020).

Almost surely, 2^99801357 is an apocalyptic number.

It is an amenable number.

99801357 is a deficient number, since it is larger than the sum of its proper divisors (40270803).

99801357 is a wasteful number, since it uses less digits than its factorization.

99801357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750923.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 99801357 is about 9990.0629127148. The cubic root of 99801357 is about 463.8513399232.

The spelling of 99801357 in words is "ninety-nine million, eight hundred one thousand, three hundred fifty-seven".