545376780 has 96 divisors (see below), whose sum is σ = 1827268800. Its totient is φ = 134244864.

The previous prime is 545376761. The next prime is 545376823. The reversal of 545376780 is 87673545.

545376780 is a `hidden beast` number, since 54 + 537 + 67 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31825 + ... + 45864.

It is an arithmetic number, because the mean of its divisors is an integer number (19034050).

Almost surely, 2^545376780 is an apocalyptic number.

It is an amenable number.

545376780 is an abundant number, since it is smaller than the sum of its proper divisors (1281892020).

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

545376780 is a wasteful number, since it uses less digits than its factorization.

545376780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77720 (or 77712 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 545376780 is about 23353.3034065847. The cubic root of 545376780 is about 817.0191094809.

The spelling of 545376780 in words is "five hundred forty-five million, three hundred seventy-six thousand, seven hundred eighty".