546888889 has 4 divisors (see below), whose sum is σ = 547317760. Its totient is φ = 546460020.

The previous prime is 546888883. The next prime is 546888893. The reversal of 546888889 is 988888645.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 988888645 = 5 ⋅197777729.

It is a cyclic number.

It is not a de Polignac number, because 546888889 - 2⁵ = 546888857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546888889.

It is not an unprimeable number, because it can be changed into a prime (546888883) 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, 212517 + ... + 215074.

It is an arithmetic number, because the mean of its divisors is an integer number (136829440).

Almost surely, 2^546888889 is an apocalyptic number.

It is an amenable number.

546888889 is a deficient number, since it is larger than the sum of its proper divisors (428871).

546888889 is a wasteful number, since it uses less digits than its factorization.

546888889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428870.

The product of its digits is 35389440, while the sum is 64.

The square root of 546888889 is about 23385.6556247628. The cubic root of 546888889 is about 817.7735004356.

The spelling of 546888889 in words is "five hundred forty-six million, eight hundred eighty-eight thousand, eight hundred eighty-nine".