99799043 has 4 divisors (see below), whose sum is σ = 102233208. Its totient is φ = 97364880.

The previous prime is 99798997. The next prime is 99799079. The reversal of 99799043 is 34099799.

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 99799043 - 2¹⁴ = 99782659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99798982 and 99799000.

It is not an unprimeable number, because it can be changed into a prime (99739043) 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, 1217021 + ... + 1217102.

It is an arithmetic number, because the mean of its divisors is an integer number (25558302).

Almost surely, 2^99799043 is an apocalyptic number.

99799043 is a deficient number, since it is larger than the sum of its proper divisors (2434165).

99799043 is a wasteful number, since it uses less digits than its factorization.

99799043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434164.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 99799043 is about 9989.9470969570. The cubic root of 99799043 is about 463.8477549343.

The spelling of 99799043 in words is "ninety-nine million, seven hundred ninety-nine thousand, forty-three".