99947007 has 32 divisors (see below), whose sum is σ = 156456960. Its totient is φ = 62959680.

The previous prime is 99946999. The next prime is 99947017. The reversal of 99947007 is 70074999.

It is not a de Polignac number, because 99947007 - 2³ = 99946999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99947017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34603 + ... + 37379.

It is an arithmetic number, because the mean of its divisors is an integer number (4889280).

Almost surely, 2^99947007 is an apocalyptic number.

99947007 is a deficient number, since it is larger than the sum of its proper divisors (56509953).

99947007 is a wasteful number, since it uses less digits than its factorization.

99947007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 99947007 is about 9997.3499988747. The cubic root of 99947007 is about 464.0768783016.

The spelling of 99947007 in words is "ninety-nine million, nine hundred forty-seven thousand, seven".