271978842 has 16 divisors (see below), whose sum is σ = 544159872. Its totient is φ = 90625920.

The previous prime is 271978829. The next prime is 271978853. The reversal of 271978842 is 248879172.

It is a junction number, because it is equal to n+sod(n) for n = 271978791 and 271978800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13423 + ... + 26909.

It is an arithmetic number, because the mean of its divisors is an integer number (34009992).

Almost surely, 2^271978842 is an apocalyptic number.

271978842 is an abundant number, since it is smaller than the sum of its proper divisors (272181030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271978842 is a wasteful number, since it uses less digits than its factorization.

271978842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853.

The product of its digits is 451584, while the sum is 48.

The square root of 271978842 is about 16491.7810439018. The cubic root of 271978842 is about 647.9055598918.

The spelling of 271978842 in words is "two hundred seventy-one million, nine hundred seventy-eight thousand, eight hundred forty-two".