80027854005 has 32 divisors (see below), whose sum is σ = 140003297280. Its totient is φ = 38712962880.

The previous prime is 80027854003. The next prime is 80027854009. The reversal of 80027854005 is 50045872008.

It is not a de Polignac number, because 80027854005 - 2¹ = 80027854003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80027854003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479977 + ... + 624846.

It is an arithmetic number, because the mean of its divisors is an integer number (4375103040).

Almost surely, 2^80027854005 is an apocalyptic number.

It is an amenable number.

80027854005 is a deficient number, since it is larger than the sum of its proper divisors (59975443275).

80027854005 is a wasteful number, since it uses less digits than its factorization.

80027854005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105281.

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 80027854005 in words is "eighty billion, twenty-seven million, eight hundred fifty-four thousand, five".