616487359 has 4 divisors (see below), whose sum is σ = 636374080. Its totient is φ = 596600640.

The previous prime is 616487341. The next prime is 616487369. The reversal of 616487359 is 953784616.

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

It is a cyclic number.

It is not a de Polignac number, because 616487359 - 2⁹ = 616486847 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 (616487309) 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, 9943314 + ... + 9943375.

It is an arithmetic number, because the mean of its divisors is an integer number (159093520).

Almost surely, 2^616487359 is an apocalyptic number.

616487359 is a deficient number, since it is larger than the sum of its proper divisors (19886721).

616487359 is a wasteful number, since it uses less digits than its factorization.

616487359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886720.

The product of its digits is 1088640, while the sum is 49.

The square root of 616487359 is about 24829.1634776526. The cubic root of 616487359 is about 851.0885058158.

The spelling of 616487359 in words is "six hundred sixteen million, four hundred eighty-seven thousand, three hundred fifty-nine".