42878556271366 has 16 divisors (see below), whose sum is σ = 64332588656304. Its totient is φ = 21434360356864.

The previous prime is 42878556271351. The next prime is 42878556271409. The reversal of 42878556271366 is 66317265587824.

It is a junction number, because it is equal to n+sod(n) for n = 42878556271295 and 42878556271304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394387185 + ... + 394495891.

It is an arithmetic number, because the mean of its divisors is an integer number (4020786791019).

Almost surely, 2^{42878556271366} is an apocalyptic number.

42878556271366 is a deficient number, since it is larger than the sum of its proper divisors (21454032384938).

42878556271366 is a wasteful number, since it uses less digits than its factorization.

42878556271366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152135.

The product of its digits is 812851200, while the sum is 70.

The spelling of 42878556271366 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fifty-six million, two hundred seventy-one thousand, three hundred sixty-six".