80018177020678 has 8 divisors (see below), whose sum is σ = 129260132110368. Its totient is φ = 36931466317224.

The previous prime is 80018177020673. The next prime is 80018177020711. The reversal of 80018177020678 is 87602077181008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80018177020673) 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, 1538811096526 + ... + 1538811096577.

It is an arithmetic number, because the mean of its divisors is an integer number (16157516513796).

Almost surely, 2^{80018177020678} is an apocalyptic number.

80018177020678 is a deficient number, since it is larger than the sum of its proper divisors (49241955089690).

80018177020678 is a wasteful number, since it uses less digits than its factorization.

80018177020678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077622193118.

The product of its (nonzero) digits is 2107392, while the sum is 55.

The spelling of 80018177020678 in words is "eighty trillion, eighteen billion, one hundred seventy-seven million, twenty thousand, six hundred seventy-eight".