42847157803860 has 36 divisors (see below), whose sum is σ = 129969712005588. Its totient is φ = 11425908747648.

The previous prime is 42847157803843. The next prime is 42847157803987. The reversal of 42847157803860 is 6830875174824.

It is a happy number.

42847157803860 is a `hidden beast` number, since 4 + 2 + 8 + 471 + 5 + 7 + 80 + 3 + 86 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32920007859216 + 9927149944644 = 5737596^2 + 3150738^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119019882609 + ... + 119019882968.

It is an arithmetic number, because the mean of its divisors is an integer number (3610269777933).

Almost surely, 2^{42847157803860} is an apocalyptic number.

It is an amenable number.

42847157803860 is an abundant number, since it is smaller than the sum of its proper divisors (87122554201728).

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

42847157803860 is a wasteful number, since it uses less digits than its factorization.

42847157803860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238039765592 (or 238039765587 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 42847157803860 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred fifty-seven million, eight hundred three thousand, eight hundred sixty".