42847178476488 has 128 divisors (see below), whose sum is σ = 107773656731520. Its totient is φ = 14195308216320.

The previous prime is 42847178476439. The next prime is 42847178476519. The reversal of 42847178476488 is 88467487174824.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3541961256 + ... + 3541973352.

It is an arithmetic number, because the mean of its divisors is an integer number (841981693215).

Almost surely, 2^{42847178476488} is an apocalyptic number.

It is an amenable number.

42847178476488 is an abundant number, since it is smaller than the sum of its proper divisors (64926478255032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42847178476488 is a wasteful number, since it uses less digits than its factorization.

42847178476488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807 (or 13803 counting only the distinct ones).

The product of its digits is 4315938816, while the sum is 78.

The spelling of 42847178476488 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred seventy-eight million, four hundred seventy-six thousand, four hundred eighty-eight".