80211291487 has 8 divisors (see below), whose sum is σ = 83046324240. Its totient is φ = 77380867200.

The previous prime is 80211291451. The next prime is 80211291497. The reversal of 80211291487 is 78419211208.

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 80211291487 - 2²⁷ = 80077073759 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 (80211291427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116673 + ... + 1186330.

It is an arithmetic number, because the mean of its divisors is an integer number (10380790530).

Almost surely, 2^80211291487 is an apocalyptic number.

80211291487 is a deficient number, since it is larger than the sum of its proper divisors (2835032753).

80211291487 is a wasteful number, since it uses less digits than its factorization.

80211291487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304233.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 80211291487 in words is "eighty billion, two hundred eleven million, two hundred ninety-one thousand, four hundred eighty-seven".