617130085760 has 64 divisors (see below), whose sum is σ = 1475479221120. Its totient is φ = 246826500096.

The previous prime is 617130085721. The next prime is 617130085763. The reversal of 617130085760 is 67580031716.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617130085763) 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, 6897632 + ... + 6986528.

It is an arithmetic number, because the mean of its divisors is an integer number (23054362830).

Almost surely, 2^617130085760 is an apocalyptic number.

It is an amenable number.

617130085760 is an abundant number, since it is smaller than the sum of its proper divisors (858349135360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617130085760 is a wasteful number, since it uses less digits than its factorization.

617130085760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99763 (or 99751 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 617130085760 in words is "six hundred seventeen billion, one hundred thirty million, eighty-five thousand, seven hundred sixty".