80811179874 has 32 divisors (see below), whose sum is σ = 185373319680. Its totient is φ = 26068122000.

The previous prime is 80811179851. The next prime is 80811179921. The reversal of 80811179874 is 47897111808.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80811179874.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24135477 + ... + 24138824.

It is an arithmetic number, because the mean of its divisors is an integer number (5792916240).

Almost surely, 2^80811179874 is an apocalyptic number.

80811179874 is an abundant number, since it is smaller than the sum of its proper divisors (104562139806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80811179874 is a wasteful number, since it uses less digits than its factorization.

80811179874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48274343 (or 48274337 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 54.

The spelling of 80811179874 in words is "eighty billion, eight hundred eleven million, one hundred seventy-nine thousand, eight hundred seventy-four".