616396587 has 16 divisors (see below), whose sum is σ = 840153600. Its totient is φ = 401802272.

The previous prime is 616396577. The next prime is 616396589. The reversal of 616396587 is 785693616.

It is a cyclic number.

It is not a de Polignac number, because 616396587 - 2¹⁸ = 616134443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616396589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273688 + ... + 275930.

It is an arithmetic number, because the mean of its divisors is an integer number (52509600).

Almost surely, 2^616396587 is an apocalyptic number.

616396587 is a deficient number, since it is larger than the sum of its proper divisors (223757013).

616396587 is a wasteful number, since it uses less digits than its factorization.

616396587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242.

The product of its digits is 1632960, while the sum is 51.

The square root of 616396587 is about 24827.3354792656. The cubic root of 616396587 is about 851.0467321570.

The spelling of 616396587 in words is "six hundred sixteen million, three hundred ninety-six thousand, five hundred eighty-seven".