547378871 has 4 divisors (see below), whose sum is σ = 589484952. Its totient is φ = 505272792.

The previous prime is 547378861. The next prime is 547378879. The reversal of 547378871 is 178873745.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547378871 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 (547378879) 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, 21053021 + ... + 21053046.

It is an arithmetic number, because the mean of its divisors is an integer number (147371238).

Almost surely, 2^547378871 is an apocalyptic number.

547378871 is a deficient number, since it is larger than the sum of its proper divisors (42106081).

547378871 is a wasteful number, since it uses less digits than its factorization.

547378871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42106080.

The product of its digits is 1317120, while the sum is 50.

The square root of 547378871 is about 23396.1294021041. The cubic root of 547378871 is about 818.0176540448.

The spelling of 547378871 in words is "five hundred forty-seven million, three hundred seventy-eight thousand, eight hundred seventy-one".