546778280 has 32 divisors (see below), whose sum is σ = 1239654240. Its totient is φ = 217039680.

The previous prime is 546778201. The next prime is 546778283. The reversal of 546778280 is 82877645.

It is not an unprimeable number, because it can be changed into a prime (546778283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46934 + ... + 57413.

It is an arithmetic number, because the mean of its divisors is an integer number (38739195).

Almost surely, 2^546778280 is an apocalyptic number.

It is an amenable number.

546778280 is an abundant number, since it is smaller than the sum of its proper divisors (692875960).

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

546778280 is a wasteful number, since it uses less digits than its factorization.

546778280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104489 (or 104485 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 546778280 is about 23383.2906153090. The cubic root of 546778280 is about 817.7183647949.

The spelling of 546778280 in words is "five hundred forty-six million, seven hundred seventy-eight thousand, two hundred eighty".