99105767043 has 4 divisors (see below), whose sum is σ = 132141022728. Its totient is φ = 66070511360.

The previous prime is 99105767041. The next prime is 99105767093. The reversal of 99105767043 is 34076750199.

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 99105767043 - 2¹ = 99105767041 is a prime.

It is a super-2 number, since 2×99105767043² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99105767041) 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, 16517627838 + ... + 16517627843.

It is an arithmetic number, because the mean of its divisors is an integer number (33035255682).

Almost surely, 2^99105767043 is an apocalyptic number.

99105767043 is a deficient number, since it is larger than the sum of its proper divisors (33035255685).

99105767043 is a wasteful number, since it uses less digits than its factorization.

99105767043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33035255684.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 99105767043 in words is "ninety-nine billion, one hundred five million, seven hundred sixty-seven thousand, forty-three".