4916486778 has 64 divisors (see below), whose sum is σ = 11838766080. Its totient is φ = 1329696000.

The previous prime is 4916486749. The next prime is 4916486789. The reversal of 4916486778 is 8776846194.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1723053 + ... + 1725903.

It is an arithmetic number, because the mean of its divisors is an integer number (184980720).

Almost surely, 2^4916486778 is an apocalyptic number.

4916486778 is an abundant number, since it is smaller than the sum of its proper divisors (6922279302).

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

4916486778 is a wasteful number, since it uses less digits than its factorization.

4916486778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its digits is 16257024, while the sum is 60.

The square root of 4916486778 is about 70117.6638087722. The cubic root of 4916486778 is about 1700.4020707571.

The spelling of 4916486778 in words is "four billion, nine hundred sixteen million, four hundred eighty-six thousand, seven hundred seventy-eight".