42847157817268 has 48 divisors (see below), whose sum is σ = 87169725901440. Its totient is φ = 18047072324736.

The previous prime is 42847157817259. The next prime is 42847157817271. The reversal of 42847157817268 is 86271875174824.

It is a junction number, because it is equal to n+sod(n) for n = 42847157817197 and 42847157817206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2857246 + ... + 9688042.

It is an arithmetic number, because the mean of its divisors is an integer number (1816035956280).

Almost surely, 2^{42847157817268} is an apocalyptic number.

It is an amenable number.

42847157817268 is an abundant number, since it is smaller than the sum of its proper divisors (44322568084172).

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

42847157817268 is a wasteful number, since it uses less digits than its factorization.

42847157817268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834664 (or 6834662 counting only the distinct ones).

The product of its digits is 337182720, while the sum is 70.

The spelling of 42847157817268 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred fifty-seven million, eight hundred seventeen thousand, two hundred sixty-eight".