542178799 has 2 divisors, whose sum is σ = 542178800. Its totient is φ = 542178798.

The previous prime is 542178697. The next prime is 542178827. The reversal of 542178799 is 997871245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542178799 - 2¹¹ = 542176751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542170799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271089399 + 271089400.

It is an arithmetic number, because the mean of its divisors is an integer number (271089400).

Almost surely, 2^542178799 is an apocalyptic number.

542178799 is a deficient number, since it is larger than the sum of its proper divisors (1).

542178799 is an equidigital number, since it uses as much as digits as its factorization.

542178799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 52.

The square root of 542178799 is about 23284.7331743355. The cubic root of 542178799 is about 815.4190320118.

The spelling of 542178799 in words is "five hundred forty-two million, one hundred seventy-eight thousand, seven hundred ninety-nine".