542278874 has 8 divisors (see below), whose sum is σ = 833257908. Its totient is φ = 264526240.

The previous prime is 542278873. The next prime is 542278907. The reversal of 542278874 is 478872245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 434430649 + 107848225 = 20843^2 + 10385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (542278871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3306497 + ... + 3306660.

Almost surely, 2^542278874 is an apocalyptic number.

542278874 is a deficient number, since it is larger than the sum of its proper divisors (290979034).

542278874 is a wasteful number, since it uses less digits than its factorization.

542278874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613200.

The product of its digits is 1003520, while the sum is 47.

The square root of 542278874 is about 23286.8820154180. The cubic root of 542278874 is about 815.4691987585.

The spelling of 542278874 in words is "five hundred forty-two million, two hundred seventy-eight thousand, eight hundred seventy-four".