80623384718 has 4 divisors (see below), whose sum is σ = 120935077080. Its totient is φ = 40311692358.

The previous prime is 80623384717. The next prime is 80623384759. The reversal of 80623384718 is 81748332608.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80623384717) 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 as a sum of consecutive naturals, namely, 20155846178 + ... + 20155846181.

It is an arithmetic number, because the mean of its divisors is an integer number (30233769270).

Almost surely, 2^80623384718 is an apocalyptic number.

80623384718 is a deficient number, since it is larger than the sum of its proper divisors (40311692362).

80623384718 is a wasteful number, since it uses less digits than its factorization.

80623384718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40311692361.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 80623384718 in words is "eighty billion, six hundred twenty-three million, three hundred eighty-four thousand, seven hundred eighteen".