5681254678 has 24 divisors (see below), whose sum is σ = 9381214584. Its totient is φ = 2578477440.

The previous prime is 5681254661. The next prime is 5681254697. The reversal of 5681254678 is 8764521865.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145425 + ... + 180307.

It is an arithmetic number, because the mean of its divisors is an integer number (390883941).

Almost surely, 2^5681254678 is an apocalyptic number.

5681254678 is a deficient number, since it is larger than the sum of its proper divisors (3699959906).

5681254678 is a wasteful number, since it uses less digits than its factorization.

5681254678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35580 (or 35569 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 52.

The square root of 5681254678 is about 75374.0981902935. The cubic root of 5681254678 is about 1784.3556460403.

The spelling of 5681254678 in words is "five billion, six hundred eighty-one million, two hundred fifty-four thousand, six hundred seventy-eight".