99994279 has 12 divisors (see below), whose sum is σ = 125613712. Its totient is φ = 77916960.

The previous prime is 99994277. The next prime is 99994309. The reversal of 99994279 is 97249999.

It is not a de Polignac number, because 99994279 - 2¹ = 99994277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58182 + ... + 59875.

Almost surely, 2^99994279 is an apocalyptic number.

99994279 is a deficient number, since it is larger than the sum of its proper divisors (25619433).

99994279 is a wasteful number, since it uses less digits than its factorization.

99994279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118086 (or 118075 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 58.

The square root of 99994279 is about 9999.7139459087. The cubic root of 99994279 is about 464.1500316826.

The spelling of 99994279 in words is "ninety-nine million, nine hundred ninety-four thousand, two hundred seventy-nine".