2678178455082 has 48 divisors (see below), whose sum is σ = 6249939252648. Its totient is φ = 823942005120.

The previous prime is 2678178455077. The next prime is 2678178455083. The reversal of 2678178455082 is 2805548718762.

2678178455082 is a `hidden beast` number, since 2 + 6 + 7 + 8 + 1 + 78 + 4 + 550 + 8 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1557631298601 + 1120547156481 = 1248051^2 + 1058559^2 .

It is not an unprimeable number, because it can be changed into a prime (2678178455083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935532 + ... + 2496312.

Almost surely, 2^{2678178455082} is an apocalyptic number.

2678178455082 is an abundant number, since it is smaller than the sum of its proper divisors (3571760797566).

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

2678178455082 is a wasteful number, since it uses less digits than its factorization.

2678178455082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568135 (or 1568132 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 63.

The spelling of 2678178455082 in words is "two trillion, six hundred seventy-eight billion, one hundred seventy-eight million, four hundred fifty-five thousand, eighty-two".