4208380978 has 8 divisors (see below), whose sum is σ = 6587031168. Its totient is φ = 2012703924.

The previous prime is 4208380973. The next prime is 4208381027. The reversal of 4208380978 is 8790838024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4208380973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45743226 + ... + 45743317.

It is an arithmetic number, because the mean of its divisors is an integer number (823378896).

Almost surely, 2^4208380978 is an apocalyptic number.

4208380978 is a deficient number, since it is larger than the sum of its proper divisors (2378650190).

4208380978 is a wasteful number, since it uses less digits than its factorization.

4208380978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91486568.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 4208380978 is about 64872.0354081788. The cubic root of 4208380978 is about 1614.5011163118.

The spelling of 4208380978 in words is "four billion, two hundred eight million, three hundred eighty thousand, nine hundred seventy-eight".