545378667 has 8 divisors (see below), whose sum is σ = 727479696. Its totient is φ = 363431712.

The previous prime is 545378653. The next prime is 545378671. The reversal of 545378667 is 766873545.

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

It is not a de Polignac number, because 545378667 - 2¹⁴ = 545362283 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (545378627) 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, 29988 + ... + 44609.

It is an arithmetic number, because the mean of its divisors is an integer number (90934962).

Almost surely, 2^545378667 is an apocalyptic number.

545378667 is a deficient number, since it is larger than the sum of its proper divisors (182101029).

545378667 is a wasteful number, since it uses less digits than its factorization.

545378667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77037.

The product of its digits is 4233600, while the sum is 51.

The square root of 545378667 is about 23353.3438076863. The cubic root of 545378667 is about 817.0200517734.

The spelling of 545378667 in words is "five hundred forty-five million, three hundred seventy-eight thousand, six hundred sixty-seven".