4619864678 has 16 divisors (see below), whose sum is σ = 8141300496. Its totient is φ = 1938404640.

The previous prime is 4619864677. The next prime is 4619864681. The reversal of 4619864678 is 8764689164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4619864677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8076401 + ... + 8076972.

It is an arithmetic number, because the mean of its divisors is an integer number (508831281).

Almost surely, 2^4619864678 is an apocalyptic number.

4619864678 is a deficient number, since it is larger than the sum of its proper divisors (3521435818).

4619864678 is a wasteful number, since it uses less digits than its factorization.

4619864678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153399.

The product of its digits is 13934592, while the sum is 59.

The square root of 4619864678 is about 67969.5864192214. The cubic root of 4619864678 is about 1665.4940476434.

It can be divided in two parts, 461986 and 4678, that added together give a palindrome (466664).

The spelling of 4619864678 in words is "four billion, six hundred nineteen million, eight hundred sixty-four thousand, six hundred seventy-eight".