617823398080 has 112 divisors (see below), whose sum is σ = 1693635806016. Its totient is φ = 210278891520.

The previous prime is 617823398063. The next prime is 617823398081. The reversal of 617823398080 is 80893328716.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (617823398081) 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, 699741 + ... + 1313500.

It is an arithmetic number, because the mean of its divisors is an integer number (15121748268).

Almost surely, 2^617823398080 is an apocalyptic number.

It is an amenable number.

617823398080 is an abundant number, since it is smaller than the sum of its proper divisors (1075812407936).

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

617823398080 is a wasteful number, since it uses less digits than its factorization.

617823398080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013402 (or 2013392 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 617823398080 in words is "six hundred seventeen billion, eight hundred twenty-three million, three hundred ninety-eight thousand, eighty".