544861987 has 8 divisors (see below), whose sum is σ = 557892720. Its totient is φ = 531847680.

The previous prime is 544861979. The next prime is 544862027. The reversal of 544861987 is 789168445.

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

It is a cyclic number.

It is not a de Polignac number, because 544861987 - 2³ = 544861979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544861957) 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, 86439 + ... + 92527.

It is an arithmetic number, because the mean of its divisors is an integer number (69736590).

Almost surely, 2^544861987 is an apocalyptic number.

544861987 is a deficient number, since it is larger than the sum of its proper divisors (13030733).

544861987 is a wasteful number, since it uses less digits than its factorization.

544861987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213.

The product of its digits is 1935360, while the sum is 52.

The square root of 544861987 is about 23342.2789590048. The cubic root of 544861987 is about 816.7619611878.

The spelling of 544861987 in words is "five hundred forty-four million, eight hundred sixty-one thousand, nine hundred eighty-seven".