42847178478051 has 16 divisors (see below), whose sum is σ = 58536036484128. Its totient is φ = 27861864038400.

The previous prime is 42847178478043. The next prime is 42847178478107. The reversal of 42847178478051 is 15087487174824.

42847178478051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42847178478051 - 2³ = 42847178478043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42847178478151) 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 15 ways as a sum of consecutive naturals, for example, 38318626 + ... + 39420951.

It is an arithmetic number, because the mean of its divisors is an integer number (3658502280258).

Almost surely, 2^{42847178478051} is an apocalyptic number.

42847178478051 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42847178478051 is a deficient number, since it is larger than the sum of its proper divisors (15688858006077).

42847178478051 is a wasteful number, since it uses less digits than its factorization.

42847178478051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77744102.

The product of its (nonzero) digits is 112394240, while the sum is 66.

The spelling of 42847178478051 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred seventy-eight million, four hundred seventy-eight thousand, fifty-one".