4778120814 has 8 divisors (see below), whose sum is σ = 9556241640. Its totient is φ = 1592706936.

The previous prime is 4778120803. The next prime is 4778120821. The reversal of 4778120814 is 4180218774.

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

4778120814 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398176729 + ... + 398176740.

It is an arithmetic number, because the mean of its divisors is an integer number (1194530205).

Almost surely, 2^4778120814 is an apocalyptic number.

4778120814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4778120814 is a wasteful number, since it uses less digits than its factorization.

4778120814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796353474.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 4778120814 is about 69123.9525345592. The cubic root of 4778120814 is about 1684.2984237163.

The spelling of 4778120814 in words is "four billion, seven hundred seventy-eight million, one hundred twenty thousand, eight hundred fourteen".