542830778 has 8 divisors (see below), whose sum is σ = 930567072. Its totient is φ = 232641756.

The previous prime is 542830759. The next prime is 542830789. The reversal of 542830778 is 877038245.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19386800 + ... + 19386827.

It is an arithmetic number, because the mean of its divisors is an integer number (116320884).

Almost surely, 2^542830778 is an apocalyptic number.

542830778 is a deficient number, since it is larger than the sum of its proper divisors (387736294).

542830778 is a wasteful number, since it uses less digits than its factorization.

542830778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38773636.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 542830778 is about 23298.7291069706. The cubic root of 542830778 is about 815.7457527221.

The spelling of 542830778 in words is "five hundred forty-two million, eight hundred thirty thousand, seven hundred seventy-eight".