271955987 has 16 divisors (see below), whose sum is σ = 304704000. Its totient is φ = 241211520.

The previous prime is 271955927. The next prime is 271956043. The reversal of 271955987 is 789559172.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 271955987 - 2¹⁸ = 271693843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271955917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62162 + ... + 66392.

It is an arithmetic number, because the mean of its divisors is an integer number (19044000).

Almost surely, 2^271955987 is an apocalyptic number.

271955987 is a deficient number, since it is larger than the sum of its proper divisors (32748013).

271955987 is a wasteful number, since it uses less digits than its factorization.

271955987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466.

The product of its digits is 1587600, while the sum is 53.

The square root of 271955987 is about 16491.0881084300. The cubic root of 271955987 is about 647.8874110581.

The spelling of 271955987 in words is "two hundred seventy-one million, nine hundred fifty-five thousand, nine hundred eighty-seven".