87842370042 has 48 divisors (see below), whose sum is σ = 218417065152. Its totient is φ = 24993671040.

The previous prime is 87842370023. The next prime is 87842370067. The reversal of 87842370042 is 24007324878.

It is a self number, because there is not a number n which added to its sum of digits gives 87842370042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1416028 + ... + 1476759.

It is an arithmetic number, because the mean of its divisors is an integer number (4550355524).

Almost surely, 2^87842370042 is an apocalyptic number.

87842370042 is an abundant number, since it is smaller than the sum of its proper divisors (130574695110).

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

87842370042 is a wasteful number, since it uses less digits than its factorization.

87842370042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893043 (or 2893040 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 87842370042 in words is "eighty-seven billion, eight hundred forty-two million, three hundred seventy thousand, forty-two".