99798307 has 4 divisors (see below), whose sum is σ = 114055216. Its totient is φ = 85541400.

The previous prime is 99798277. The next prime is 99798319. The reversal of 99798307 is 70389799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70389799 = 37 ⋅1902427.

It is a de Polignac number, because none of the positive numbers 2^k-99798307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99798397) 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, 7128444 + ... + 7128457.

It is an arithmetic number, because the mean of its divisors is an integer number (28513804).

Almost surely, 2^99798307 is an apocalyptic number.

99798307 is a deficient number, since it is larger than the sum of its proper divisors (14256909).

99798307 is a wasteful number, since it uses less digits than its factorization.

99798307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256908.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 99798307 is about 9989.9102598572. The cubic root of 99798307 is about 463.8466146668.

The spelling of 99798307 in words is "ninety-nine million, seven hundred ninety-eight thousand, three hundred seven".