4878771131394 has 96 divisors (see below), whose sum is σ = 10887639824880. Its totient is φ = 1578181902336.

The previous prime is 4878771131383. The next prime is 4878771131407. The reversal of 4878771131394 is 4931311778784.

It is a happy number.

4878771131394 is a `hidden beast` number, since 48 + 7 + 8 + 7 + 71 + 131 + 394 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1353813696225 + 3524957435169 = 1163535^2 + 1877487^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164425192 + ... + 164454860.

Almost surely, 2^{4878771131394} is an apocalyptic number.

4878771131394 is an abundant number, since it is smaller than the sum of its proper divisors (6008868693486).

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

4878771131394 is a wasteful number, since it uses less digits than its factorization.

4878771131394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31604 (or 31601 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The spelling of 4878771131394 in words is "four trillion, eight hundred seventy-eight billion, seven hundred seventy-one million, one hundred thirty-one thousand, three hundred ninety-four".