99999796429 has 8 divisors (see below), whose sum is σ = 107694553400. Its totient is φ = 92305391616.

The previous prime is 99999796409. The next prime is 99999796441. The reversal of 99999796429 is 92469799999.

It can be written as a sum of positive squares in 4 ways, for example, as 280900 + 99999515529 = 530^2 + 316227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99999796429 - 2⁵ = 99999796397 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 (99999796409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998029 + ... + 1093645.

It is an arithmetic number, because the mean of its divisors is an integer number (13461819175).

Almost surely, 2^99999796429 is an apocalyptic number.

It is an amenable number.

99999796429 is a deficient number, since it is larger than the sum of its proper divisors (7694756971).

99999796429 is a wasteful number, since it uses less digits than its factorization.

99999796429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176079.

The product of its digits is 1607077584, while the sum is 82.

The spelling of 99999796429 in words is "ninety-nine billion, nine hundred ninety-nine million, seven hundred ninety-six thousand, four hundred twenty-nine".