613285788 has 48 divisors (see below), whose sum is σ = 1461196800. Its totient is φ = 200155200.

The previous prime is 613285787. The next prime is 613285807. The reversal of 613285788 is 887582316.

It is a super-2 number, since 2×613285788² = 752238915525561888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613285787) 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, 124533 + ... + 129363.

It is an arithmetic number, because the mean of its divisors is an integer number (30441600).

Almost surely, 2^613285788 is an apocalyptic number.

It is an amenable number.

613285788 is an abundant number, since it is smaller than the sum of its proper divisors (847911012).

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

613285788 is a wasteful number, since it uses less digits than its factorization.

613285788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5056 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 613285788 is about 24764.6075680597. The cubic root of 613285788 is about 849.6126438034.

The spelling of 613285788 in words is "six hundred thirteen million, two hundred eighty-five thousand, seven hundred eighty-eight".