99999357 has 4 divisors (see below), whose sum is σ = 133332480. Its totient is φ = 66666236.

The previous prime is 99999353. The next prime is 99999373. The reversal of 99999357 is 75399999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99999357 - 2² = 99999353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99999357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16666557 + ... + 16666562.

It is an arithmetic number, because the mean of its divisors is an integer number (33333120).

Almost surely, 2^99999357 is an apocalyptic number.

It is an amenable number.

99999357 is a deficient number, since it is larger than the sum of its proper divisors (33333123).

99999357 is a wasteful number, since it uses less digits than its factorization.

99999357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333122.

The product of its digits is 6200145, while the sum is 60.

The square root of 99999357 is about 9999.9678499483. The cubic root of 99999357 is about 464.1578885119.

The spelling of 99999357 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred fifty-seven".