4386780667 has 6 divisors (see below), whose sum is σ = 4629815988. Its totient is φ = 4155897132.

The previous prime is 4386780649. The next prime is 4386780677. The reversal of 4386780667 is 7660876834.

It is not a de Polignac number, because 4386780667 - 2⁷ = 4386780539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4386780677) 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, 6075513 + ... + 6076234.

It is an arithmetic number, because the mean of its divisors is an integer number (771635998).

Almost surely, 2^4386780667 is an apocalyptic number.

4386780667 is a deficient number, since it is larger than the sum of its proper divisors (243035321).

4386780667 is a wasteful number, since it uses less digits than its factorization.

4386780667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151785 (or 12151766 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The square root of 4386780667 is about 66232.7763799767. The cubic root of 4386780667 is about 1636.9998524748. Note that the first 3 decimals are identical.

The spelling of 4386780667 in words is "four billion, three hundred eighty-six million, seven hundred eighty thousand, six hundred sixty-seven".