99502279 has 4 divisors (see below), whose sum is σ = 99563776. Its totient is φ = 99440784.

The previous prime is 99502231. The next prime is 99502307. The reversal of 99502279 is 97220599.

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

It is a 4-Lehmer number, since φ(99502279) divides (99502279-1)⁴.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99502279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99502079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28254 + ... + 31579.

It is an arithmetic number, because the mean of its divisors is an integer number (24890944).

Almost surely, 2^99502279 is an apocalyptic number.

99502279 is a deficient number, since it is larger than the sum of its proper divisors (61497).

99502279 is a wasteful number, since it uses less digits than its factorization.

99502279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61496.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 99502279 is about 9975.0829069236. The cubic root of 99502279 is about 463.3875301347.

The spelling of 99502279 in words is "ninety-nine million, five hundred two thousand, two hundred seventy-nine".