616611240587 has 2 divisors, whose sum is σ = 616611240588. Its totient is φ = 616611240586.

The previous prime is 616611240569. The next prime is 616611240677. The reversal of 616611240587 is 785042116616.

616611240587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616611240587 is a prime.

It is a super-2 number, since 2×616611240587² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616611240527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308305620293 + 308305620294.

It is an arithmetic number, because the mean of its divisors is an integer number (308305620294).

Almost surely, 2^616611240587 is an apocalyptic number.

616611240587 is a deficient number, since it is larger than the sum of its proper divisors (1).

616611240587 is an equidigital number, since it uses as much as digits as its factorization.

616611240587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 616611240587 in words is "six hundred sixteen billion, six hundred eleven million, two hundred forty thousand, five hundred eighty-seven".