613877042688 has 960 divisors, whose sum is σ = 2175968729088. Its totient is φ = 152165744640.

The previous prime is 613877042633. The next prime is 613877042689. The reversal of 613877042688 is 886240778316.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613877042689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1122261231 + ... + 1122261777.

Almost surely, 2^613877042688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613877042688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087984364544).

613877042688 is an abundant number, since it is smaller than the sum of its proper divisors (1562091686400).

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

613877042688 is a wasteful number, since it uses less digits than its factorization.

613877042688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 613877042688 in words is "six hundred thirteen billion, eight hundred seventy-seven million, forty-two thousand, six hundred eighty-eight".