4886841978 has 24 divisors (see below), whose sum is σ = 10612075968. Its totient is φ = 1625267592.

The previous prime is 4886841977. The next prime is 4886841983. The reversal of 4886841978 is 8791486884.

4886841978 is a `hidden beast` number, since 488 + 6 + 84 + 1 + 9 + 78 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4886841977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298450 + ... + 314397.

It is an arithmetic number, because the mean of its divisors is an integer number (442169832).

Almost surely, 2^4886841978 is an apocalyptic number.

4886841978 is an abundant number, since it is smaller than the sum of its proper divisors (5725233990).

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

4886841978 is a wasteful number, since it uses less digits than its factorization.

4886841978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613298 (or 613295 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The square root of 4886841978 is about 69905.9509483992. The cubic root of 4886841978 is about 1696.9775566638.

The spelling of 4886841978 in words is "four billion, eight hundred eighty-six million, eight hundred forty-one thousand, nine hundred seventy-eight".