542885879546 has 8 divisors (see below), whose sum is σ = 815702056884. Its totient is φ = 270985193920.

The previous prime is 542885879531. The next prime is 542885879567. The reversal of 542885879546 is 645978588245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443941031521 + 98944848025 = 666289^2 + 314555^2 .

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

It is a super-2 number, since 2×542885879546² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542885879546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228871445 + ... + 228873816.

Almost surely, 2^542885879546 is an apocalyptic number.

542885879546 is a deficient number, since it is larger than the sum of its proper divisors (272816177338).

542885879546 is a wasteful number, since it uses less digits than its factorization.

542885879546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457745856.

The product of its digits is 774144000, while the sum is 71.

The spelling of 542885879546 in words is "five hundred forty-two billion, eight hundred eighty-five million, eight hundred seventy-nine thousand, five hundred forty-six".