5678658612 has 72 divisors (see below), whose sum is σ = 15873923520. Its totient is φ = 1697224320.

The previous prime is 5678658511. The next prime is 5678658613. The reversal of 5678658612 is 2168568765.

5678658612 is a `hidden beast` number, since 56 + 7 + 8 + 6 + 586 + 1 + 2 = 666.

It is a Smith number, since the sum of its digits (54) 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 (5678658613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69312 + ... + 127127.

It is an arithmetic number, because the mean of its divisors is an integer number (220471160).

Almost surely, 2^5678658612 is an apocalyptic number.

It is an amenable number.

5678658612 is an abundant number, since it is smaller than the sum of its proper divisors (10195264908).

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

5678658612 is a wasteful number, since it uses less digits than its factorization.

5678658612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196533 (or 196528 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 5678658612 is about 75356.8750148253. The cubic root of 5678658612 is about 1784.0838157817.

The spelling of 5678658612 in words is "five billion, six hundred seventy-eight million, six hundred fifty-eight thousand, six hundred twelve".