542824978 has 16 divisors (see below), whose sum is σ = 850144320. Its totient is φ = 259457616.

The previous prime is 542824967. The next prime is 542824979. The reversal of 542824978 is 879428245.

It is not an unprimeable number, because it can be changed into a prime (542824979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126553 + ... + 130771.

It is an arithmetic number, because the mean of its divisors is an integer number (53134020).

Almost surely, 2^542824978 is an apocalyptic number.

542824978 is a deficient number, since it is larger than the sum of its proper divisors (307319342).

542824978 is a wasteful number, since it uses less digits than its factorization.

542824978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041.

The product of its digits is 1290240, while the sum is 49.

The square root of 542824978 is about 23298.6046363296. The cubic root of 542824978 is about 815.7428473709.

The spelling of 542824978 in words is "five hundred forty-two million, eight hundred twenty-four thousand, nine hundred seventy-eight".