99350434879 has 4 divisors (see below), whose sum is σ = 99356175520. Its totient is φ = 99344694240.

The previous prime is 99350434877. The next prime is 99350434889. The reversal of 99350434879 is 97843405399.

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 99350434879 - 2¹ = 99350434877 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 (99350434873) 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, 2844282 + ... + 2878999.

It is an arithmetic number, because the mean of its divisors is an integer number (24839043880).

Almost surely, 2^99350434879 is an apocalyptic number.

99350434879 is a deficient number, since it is larger than the sum of its proper divisors (5740641).

99350434879 is a wasteful number, since it uses less digits than its factorization.

99350434879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740640.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 99350434879 in words is "ninety-nine billion, three hundred fifty million, four hundred thirty-four thousand, eight hundred seventy-nine".