42887701081 has 8 divisors (see below), whose sum is σ = 43217128800. Its totient is φ = 42558511008.

The previous prime is 42887701079. The next prime is 42887701091. The reversal of 42887701081 is 18010778824.

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

It is a cyclic number.

It is not a de Polignac number, because 42887701081 - 2¹ = 42887701079 is a prime.

It is a super-2 number, since 2×42887701081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42887701091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 311770 + ... + 427756.

It is an arithmetic number, because the mean of its divisors is an integer number (5402141100).

Almost surely, 2^42887701081 is an apocalyptic number.

It is an amenable number.

42887701081 is a deficient number, since it is larger than the sum of its proper divisors (329427719).

42887701081 is a wasteful number, since it uses less digits than its factorization.

42887701081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118823.

The product of its (nonzero) digits is 200704, while the sum is 46.

The spelling of 42887701081 in words is "forty-two billion, eight hundred eighty-seven million, seven hundred one thousand, eighty-one".