271680487 has 16 divisors (see below), whose sum is σ = 308596960. Its totient is φ = 237105792.

The previous prime is 271680467. The next prime is 271680499. The reversal of 271680487 is 784086172.

It is a 7-Lehmer number, since φ(271680487) divides (271680487-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 271680487 - 2⁷ = 271680359 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 (271680467) 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 15 ways as a sum of consecutive naturals, for example, 186253 + ... + 187705.

It is an arithmetic number, because the mean of its divisors is an integer number (19287310).

Almost surely, 2^271680487 is an apocalyptic number.

271680487 is a deficient number, since it is larger than the sum of its proper divisors (36916473).

271680487 is a wasteful number, since it uses less digits than its factorization.

271680487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 271680487 is about 16482.7329954714. The cubic root of 271680487 is about 647.6685603405.

The spelling of 271680487 in words is "two hundred seventy-one million, six hundred eighty thousand, four hundred eighty-seven".