613845880 has 32 divisors (see below), whose sum is σ = 1425709440. Its totient is φ = 237617280.

The previous prime is 613845857. The next prime is 613845887. The reversal of 613845880 is 88548316.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613845887) 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, 246279 + ... + 248758.

It is an arithmetic number, because the mean of its divisors is an integer number (44553420).

Almost surely, 2^613845880 is an apocalyptic number.

It is an amenable number.

613845880 is an abundant number, since it is smaller than the sum of its proper divisors (811863560).

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

613845880 is a wasteful number, since it uses less digits than its factorization.

613845880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495079 (or 495075 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 613845880 is about 24775.9133030450. The cubic root of 613845880 is about 849.8712053991.

The spelling of 613845880 in words is "six hundred thirteen million, eight hundred forty-five thousand, eight hundred eighty".