99007847 has 16 divisors (see below), whose sum is σ = 109874880. Its totient is φ = 88737792.

The previous prime is 99007829. The next prime is 99007859. The reversal of 99007847 is 74870099.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99007847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99007798 and 99007807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99007817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121979 + ... + 122787.

It is an arithmetic number, because the mean of its divisors is an integer number (6867180).

Almost surely, 2^99007847 is an apocalyptic number.

99007847 is a deficient number, since it is larger than the sum of its proper divisors (10867033).

99007847 is a wasteful number, since it uses less digits than its factorization.

99007847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 99007847 is about 9950.2686898395. The cubic root of 99007847 is about 462.6187230641.

The spelling of 99007847 in words is "ninety-nine million, seven thousand, eight hundred forty-seven".