99307047 has 24 divisors (see below), whose sum is σ = 160759936. Its totient is φ = 53405568.

The previous prime is 99307003. The next prime is 99307079. The reversal of 99307047 is 74070399.

It is not a de Polignac number, because 99307047 - 2¹⁰ = 99306023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99306996 and 99307014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99307447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2113 + ... + 14250.

Almost surely, 2^99307047 is an apocalyptic number.

99307047 is a deficient number, since it is larger than the sum of its proper divisors (61452889).

99307047 is a wasteful number, since it uses less digits than its factorization.

99307047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16407 (or 16390 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 99307047 is about 9965.2921181469. The cubic root of 99307047 is about 463.0842630187.

The spelling of 99307047 in words is "ninety-nine million, three hundred seven thousand, forty-seven".