546988678 has 4 divisors (see below), whose sum is σ = 820483020. Its totient is φ = 273494338.

The previous prime is 546988661. The next prime is 546988709. The reversal of 546988678 is 876889645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876889645 = 5 ⋅175377929.

It is a super-2 number, since 2×546988678² = 598393227720375368, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 136747168 + ... + 136747171.

It is an arithmetic number, because the mean of its divisors is an integer number (205120755).

Almost surely, 2^546988678 is an apocalyptic number.

546988678 is a deficient number, since it is larger than the sum of its proper divisors (273494342).

546988678 is a wasteful number, since it uses less digits than its factorization.

546988678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273494341.

The product of its digits is 23224320, while the sum is 61.

The square root of 546988678 is about 23387.7890789189. The cubic root of 546988678 is about 817.8232362159.

The spelling of 546988678 in words is "five hundred forty-six million, nine hundred eighty-eight thousand, six hundred seventy-eight".