80674667377 has 4 divisors (see below), whose sum is σ = 80697124260. Its totient is φ = 80652210496.

The previous prime is 80674667341. The next prime is 80674667387. The reversal of 80674667377 is 77376647608.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50351320881 + 30323346496 = 224391^2 + 174136^2 .

It is a cyclic number.

It is not a de Polignac number, because 80674667377 - 2²³ = 80666278769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80674667387) 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, 11223052 + ... + 11230237.

It is an arithmetic number, because the mean of its divisors is an integer number (20174281065).

Almost surely, 2^80674667377 is an apocalyptic number.

It is an amenable number.

80674667377 is a deficient number, since it is larger than the sum of its proper divisors (22456883).

80674667377 is a wasteful number, since it uses less digits than its factorization.

80674667377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22456882.

The product of its (nonzero) digits is 49787136, while the sum is 61.

The spelling of 80674667377 in words is "eighty billion, six hundred seventy-four million, six hundred sixty-seven thousand, three hundred seventy-seven".