8154066878078 has 16 divisors (see below), whose sum is σ = 13703640651504. Its totient is φ = 3606221223360.

The previous prime is 8154066878077. The next prime is 8154066878117. The reversal of 8154066878078 is 8708786604518.

It is a junction number, because it is equal to n+sod(n) for n = 8154066877999 and 8154066878017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154066878077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008639775 + ... + 5008641402.

It is an arithmetic number, because the mean of its divisors is an integer number (856477540719).

Almost surely, 2^{8154066878078} is an apocalyptic number.

8154066878078 is a deficient number, since it is larger than the sum of its proper divisors (5549573773426).

8154066878078 is a wasteful number, since it uses less digits than its factorization.

8154066878078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017281227.

The product of its (nonzero) digits is 144506880, while the sum is 68.

The spelling of 8154066878078 in words is "eight trillion, one hundred fifty-four billion, sixty-six million, eight hundred seventy-eight thousand, seventy-eight".