43278162367 has 4 divisors (see below), whose sum is σ = 47212540776. Its totient is φ = 39343783960.

The previous prime is 43278162337. The next prime is 43278162373. The reversal of 43278162367 is 76326187234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43278162367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43278162367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43278162337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967189188 + ... + 1967189209.

It is an arithmetic number, because the mean of its divisors is an integer number (11803135194).

Almost surely, 2^43278162367 is an apocalyptic number.

43278162367 is a deficient number, since it is larger than the sum of its proper divisors (3934378409).

43278162367 is a wasteful number, since it uses less digits than its factorization.

43278162367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934378408.

The product of its digits is 2032128, while the sum is 49.

The spelling of 43278162367 in words is "forty-three billion, two hundred seventy-eight million, one hundred sixty-two thousand, three hundred sixty-seven".