80394156751943 has 8 divisors (see below), whose sum is σ = 84626519110320. Its totient is φ = 76161903488640.

The previous prime is 80394156751921. The next prime is 80394156751957. The reversal of 80394156751943 is 34915765149308.

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 80394156751943 - 2²⁴ = 80394139974727 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 80394156751943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80394156751963) 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, 25758980 + ... + 28710857.

It is an arithmetic number, because the mean of its divisors is an integer number (10578314888790).

Almost surely, 2^{80394156751943} is an apocalyptic number.

80394156751943 is a deficient number, since it is larger than the sum of its proper divisors (4232362358377).

80394156751943 is a wasteful number, since it uses less digits than its factorization.

80394156751943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54547537.

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 80394156751943 in words is "eighty trillion, three hundred ninety-four billion, one hundred fifty-six million, seven hundred fifty-one thousand, nine hundred forty-three".