99502147 has 4 divisors (see below), whose sum is σ = 101379600. Its totient is φ = 97624696.

The previous prime is 99502133. The next prime is 99502187. The reversal of 99502147 is 74120599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99502147 - 2⁷ = 99502019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99502127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938647 + ... + 938752.

It is an arithmetic number, because the mean of its divisors is an integer number (25344900).

Almost surely, 2^99502147 is an apocalyptic number.

99502147 is a deficient number, since it is larger than the sum of its proper divisors (1877453).

99502147 is a wasteful number, since it uses less digits than its factorization.

99502147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877452.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 99502147 is about 9975.0762904351. The cubic root of 99502147 is about 463.3873252242.

The spelling of 99502147 in words is "ninety-nine million, five hundred two thousand, one hundred forty-seven".