42847178635387 has 8 divisors (see below), whose sum is σ = 48970612629216. Its totient is φ = 36724346760192.

The previous prime is 42847178635381. The next prime is 42847178635463. The reversal of 42847178635387 is 78353687174824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42847178635387 - 2¹⁹ = 42847178111099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42847178635381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150377158 + ... + 150661819.

It is an arithmetic number, because the mean of its divisors is an integer number (6121326578652).

Almost surely, 2^{42847178635387} is an apocalyptic number.

42847178635387 is a deficient number, since it is larger than the sum of its proper divisors (6123433993829).

42847178635387 is a wasteful number, since it uses less digits than its factorization.

42847178635387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301059317.

The product of its digits is 1517322240, while the sum is 73.

The spelling of 42847178635387 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred seventy-eight million, six hundred thirty-five thousand, three hundred eighty-seven".