42878306082478 has 16 divisors (see below), whose sum is σ = 64381944571920. Its totient is φ = 21417660585216.

The previous prime is 42878306082413. The next prime is 42878306082511. The reversal of 42878306082478 is 87428060387824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31560801 + ... + 32891347.

It is an arithmetic number, because the mean of its divisors is an integer number (4023871535745).

Almost surely, 2^{42878306082478} is an apocalyptic number.

42878306082478 is a deficient number, since it is larger than the sum of its proper divisors (21503638489442).

42878306082478 is a wasteful number, since it uses less digits than its factorization.

42878306082478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346691.

The product of its (nonzero) digits is 231211008, while the sum is 67.

The spelling of 42878306082478 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred six million, eighty-two thousand, four hundred seventy-eight".