80487031 has 4 divisors (see below), whose sum is σ = 80622000. Its totient is φ = 80352064.

The previous prime is 80486971. The next prime is 80487037. The reversal of 80487031 is 13078408.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80487031 - 2⁹ = 80486519 is a prime.

It is a super-2 number, since 2×80487031² = 12956324318389922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80486984 and 80487002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80487037) 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 3 ways as a sum of consecutive naturals, for example, 66586 + ... + 67783.

It is an arithmetic number, because the mean of its divisors is an integer number (20155500).

Almost surely, 2^80487031 is an apocalyptic number.

80487031 is a deficient number, since it is larger than the sum of its proper divisors (134969).

80487031 is a wasteful number, since it uses less digits than its factorization.

80487031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134968.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80487031 is about 8971.4564592378. The cubic root of 80487031 is about 431.7595666411.

The spelling of 80487031 in words is "eighty million, four hundred eighty-seven thousand, thirty-one".