546813987 has 8 divisors (see below), whose sum is σ = 730486800. Its totient is φ = 363841920.

The previous prime is 546813931. The next prime is 546813989. The reversal of 546813987 is 789318645.

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

It is not a de Polignac number, because 546813987 - 2⁶ = 546813923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (546813989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173362 + ... + 176487.

It is an arithmetic number, because the mean of its divisors is an integer number (91310850).

Almost surely, 2^546813987 is an apocalyptic number.

546813987 is a deficient number, since it is larger than the sum of its proper divisors (183672813).

546813987 is a wasteful number, since it uses less digits than its factorization.

546813987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350373.

The product of its digits is 1451520, while the sum is 51.

The square root of 546813987 is about 23384.0541181379. The cubic root of 546813987 is about 817.7361645961.

The spelling of 546813987 in words is "five hundred forty-six million, eight hundred thirteen thousand, nine hundred eighty-seven".