43344857871 has 48 divisors (see below), whose sum is σ = 76740618240. Its totient is φ = 23022118080.

The previous prime is 43344857867. The next prime is 43344857879. The reversal of 43344857871 is 17875844334.

It is not a de Polignac number, because 43344857871 - 2² = 43344857867 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43344857879) 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 47 ways as a sum of consecutive naturals, for example, 278175 + ... + 405056.

It is an arithmetic number, because the mean of its divisors is an integer number (1598762880).

Almost surely, 2^43344857871 is an apocalyptic number.

43344857871 is a deficient number, since it is larger than the sum of its proper divisors (33395760369).

43344857871 is a wasteful number, since it uses less digits than its factorization.

43344857871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683316 (or 683313 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 43344857871 in words is "forty-three billion, three hundred forty-four million, eight hundred fifty-seven thousand, eight hundred seventy-one".