4678861464 has 24 divisors (see below), whose sum is σ = 12671916660. Its totient is φ = 1559620464.

The previous prime is 4678861463. The next prime is 4678861501. The reversal of 4678861464 is 4641688764.

4678861464 is a `hidden beast` number, since 46 + 7 + 88 + 61 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4678861464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678861463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32492022 + ... + 32492165.

Almost surely, 2^4678861464 is an apocalyptic number.

It is an amenable number.

4678861464 is an abundant number, since it is smaller than the sum of its proper divisors (7993055196).

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

4678861464 is a wasteful number, since it uses less digits than its factorization.

4678861464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64984199 (or 64984192 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 4678861464 is about 68402.2036487130. The cubic root of 4678861464 is about 1672.5536682357.

The spelling of 4678861464 in words is "four billion, six hundred seventy-eight million, eight hundred sixty-one thousand, four hundred sixty-four".