613478556 has 24 divisors (see below), whose sum is σ = 1590500240. Its totient is φ = 204492816.

The previous prime is 613478543. The next prime is 613478573. The reversal of 613478556 is 655874316.

613478556 is a `hidden beast` number, since 61 + 34 + 7 + 8 + 556 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840071 + ... + 2840286.

Almost surely, 2^613478556 is an apocalyptic number.

It is an amenable number.

613478556 is an abundant number, since it is smaller than the sum of its proper divisors (977021684).

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

613478556 is a wasteful number, since it uses less digits than its factorization.

613478556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680370 (or 5680362 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 613478556 is about 24768.4992682237. The cubic root of 613478556 is about 849.7016512323.

The spelling of 613478556 in words is "six hundred thirteen million, four hundred seventy-eight thousand, five hundred fifty-six".