546077780 has 24 divisors (see below), whose sum is σ = 1148546952. Its totient is φ = 218091392.

The previous prime is 546077773. The next prime is 546077789. The reversal of 546077780 is 87770645.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 545129104 = 974^2 + 23348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546077789) 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, 7847 + ... + 33966.

It is an arithmetic number, because the mean of its divisors is an integer number (47856123).

Almost surely, 2^546077780 is an apocalyptic number.

It is an amenable number.

546077780 is an abundant number, since it is smaller than the sum of its proper divisors (602469172).

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

546077780 is a wasteful number, since it uses less digits than its factorization.

546077780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42475 (or 42473 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 546077780 is about 23368.3071701824. The cubic root of 546077780 is about 817.3690114236.

The spelling of 546077780 in words is "five hundred forty-six million, seventy-seven thousand, seven hundred eighty".