80247705887 has 8 divisors (see below), whose sum is σ = 80719242240. Its totient is φ = 79776705240.

The previous prime is 80247705823. The next prime is 80247706001. The reversal of 80247705887 is 78850774208.

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

It is a cyclic number.

It is not a de Polignac number, because 80247705887 - 2⁶ = 80247705823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80247705287) 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 7 ways as a sum of consecutive naturals, for example, 168548 + ... + 434630.

It is an arithmetic number, because the mean of its divisors is an integer number (10089905280).

Almost surely, 2^80247705887 is an apocalyptic number.

80247705887 is a deficient number, since it is larger than the sum of its proper divisors (471536353).

80247705887 is a wasteful number, since it uses less digits than its factorization.

80247705887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267853.

The product of its (nonzero) digits is 7024640, while the sum is 56.

The spelling of 80247705887 in words is "eighty billion, two hundred forty-seven million, seven hundred five thousand, eight hundred eighty-seven".