80512187 has 8 divisors (see below), whose sum is σ = 97426656. Its totient is φ = 64950912.

The previous prime is 80512181. The next prime is 80512193. The reversal of 80512187 is 78121508.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80512181) and next prime (80512193).

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 80512187 - 2⁴ = 80512171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80512181) 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 7 ways as a sum of consecutive naturals, for example, 338168 + ... + 338405.

It is an arithmetic number, because the mean of its divisors is an integer number (12178332).

Almost surely, 2^80512187 is an apocalyptic number.

80512187 is a deficient number, since it is larger than the sum of its proper divisors (16914469).

80512187 is a wasteful number, since it uses less digits than its factorization.

80512187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676597.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 80512187 is about 8972.8583517183. The cubic root of 80512187 is about 431.8045437103.

The spelling of 80512187 in words is "eighty million, five hundred twelve thousand, one hundred eighty-seven".