542279886 has 8 divisors (see below), whose sum is σ = 1084559784. Its totient is φ = 180759960.

The previous prime is 542279873. The next prime is 542279921. The reversal of 542279886 is 688972245.

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

542279886 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 45189985 + ... + 45189996.

It is an arithmetic number, because the mean of its divisors is an integer number (135569973).

Almost surely, 2^542279886 is an apocalyptic number.

542279886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542279886 is a wasteful number, since it uses less digits than its factorization.

542279886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90379986.

The product of its digits is 1935360, while the sum is 51.

The square root of 542279886 is about 23286.9037443796. The cubic root of 542279886 is about 815.4697060340.

The spelling of 542279886 in words is "five hundred forty-two million, two hundred seventy-nine thousand, eight hundred eighty-six".