80346667057 has 4 divisors (see below), whose sum is σ = 80558663920. Its totient is φ = 80134670196.

The previous prime is 80346667043. The next prime is 80346667081. The reversal of 80346667057 is 75076664308.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80346667057 - 2¹⁹ = 80346142769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80346666995 and 80346667013.

It is not an unprimeable number, because it can be changed into a prime (80346665057) 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, 105997863 + ... + 105998620.

It is an arithmetic number, because the mean of its divisors is an integer number (20139665980).

Almost surely, 2^80346667057 is an apocalyptic number.

It is an amenable number.

80346667057 is a deficient number, since it is larger than the sum of its proper divisors (211996863).

80346667057 is a wasteful number, since it uses less digits than its factorization.

80346667057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211996862.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 80346667057 in words is "eighty billion, three hundred forty-six million, six hundred sixty-seven thousand, fifty-seven".