545887679 has 4 divisors (see below), whose sum is σ = 545986680. Its totient is φ = 545788680.

The previous prime is 545887673. The next prime is 545887687. The reversal of 545887679 is 976788545.

It is a happy number.

545887679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545887679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545887673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40709 + ... + 52430.

It is an arithmetic number, because the mean of its divisors is an integer number (136496670).

Almost surely, 2^545887679 is an apocalyptic number.

545887679 is a deficient number, since it is larger than the sum of its proper divisors (99001).

545887679 is an equidigital number, since it uses as much as digits as its factorization.

545887679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99000.

The product of its digits is 16934400, while the sum is 59.

The square root of 545887679 is about 23364.2393199522. The cubic root of 545887679 is about 817.2741527141.

The spelling of 545887679 in words is "five hundred forty-five million, eight hundred eighty-seven thousand, six hundred seventy-nine".