99999359 has 4 divisors (see below), whose sum is σ = 100613016. Its totient is φ = 99385704.

The previous prime is 99999353. The next prime is 99999373. The reversal of 99999359 is 95399999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95399999 = 1181 ⋅80779.

It is a cyclic number.

It is not a de Polignac number, because 99999359 - 2⁴ = 99999343 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 (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, 306584 + ... + 306909.

It is an arithmetic number, because the mean of its divisors is an integer number (25153254).

Almost surely, 2^99999359 is an apocalyptic number.

99999359 is a deficient number, since it is larger than the sum of its proper divisors (613657).

99999359 is a wasteful number, since it uses less digits than its factorization.

99999359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613656.

The product of its digits is 7971615, while the sum is 62.

The square root of 99999359 is about 9999.9679499486. The cubic root of 99999359 is about 464.1578916063.

The spelling of 99999359 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred fifty-nine".