42087382671 has 16 divisors (see below), whose sum is σ = 57655987200. Its totient is φ = 27298322688.

The previous prime is 42087382643. The next prime is 42087382679. The reversal of 42087382671 is 17628378024.

It is not a de Polignac number, because 42087382671 - 2³³ = 33497448079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42087382671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42087382679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208511 + ... + 1242848.

It is an arithmetic number, because the mean of its divisors is an integer number (3603499200).

Almost surely, 2^42087382671 is an apocalyptic number.

42087382671 is a deficient number, since it is larger than the sum of its proper divisors (15568604529).

42087382671 is a wasteful number, since it uses less digits than its factorization.

42087382671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451518.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 42087382671 in words is "forty-two billion, eighty-seven million, three hundred eighty-two thousand, six hundred seventy-one".