4561508678 has 4 divisors (see below), whose sum is σ = 6842263020. Its totient is φ = 2280754338.

The previous prime is 4561508659. The next prime is 4561508689. The reversal of 4561508678 is 8768051654.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4561508678² = 41614722838938615368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140377168 + ... + 1140377171.

It is an arithmetic number, because the mean of its divisors is an integer number (1710565755).

Almost surely, 2^4561508678 is an apocalyptic number.

4561508678 is a deficient number, since it is larger than the sum of its proper divisors (2280754342).

4561508678 is a wasteful number, since it uses less digits than its factorization.

4561508678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280754341.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 4561508678 is about 67538.9419372261. The cubic root of 4561508678 is about 1658.4517278658.

The spelling of 4561508678 in words is "four billion, five hundred sixty-one million, five hundred eight thousand, six hundred seventy-eight".