4506890327978 has 16 divisors (see below), whose sum is σ = 6934587306624. Its totient is φ = 2195783654880.

The previous prime is 4506890327923. The next prime is 4506890328001. The reversal of 4506890327978 is 8797230986054.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105585803 + ... + 105628478.

It is an arithmetic number, because the mean of its divisors is an integer number (433411706664).

Almost surely, 2^{4506890327978} is an apocalyptic number.

4506890327978 is a deficient number, since it is larger than the sum of its proper divisors (2427696978646).

4506890327978 is a wasteful number, since it uses less digits than its factorization.

4506890327978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211214557.

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 4506890327978 in words is "four trillion, five hundred six billion, eight hundred ninety million, three hundred twenty-seven thousand, nine hundred seventy-eight".