99999502 has 4 divisors (see below), whose sum is σ = 149999256. Its totient is φ = 49999750.

The previous prime is 99999481. The next prime is 99999509. The reversal of 99999502 is 20599999.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99999502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999874 + ... + 24999877.

It is an arithmetic number, because the mean of its divisors is an integer number (37499814).

Almost surely, 2^99999502 is an apocalyptic number.

99999502 is a deficient number, since it is larger than the sum of its proper divisors (49999754).

99999502 is a wasteful number, since it uses less digits than its factorization.

99999502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49999753.

The product of its (nonzero) digits is 590490, while the sum is 52.

The square root of 99999502 is about 9999.9750999690. The cubic root of 99999502 is about 464.1581128563.

The spelling of 99999502 in words is "ninety-nine million, nine hundred ninety-nine thousand, five hundred two".