42471577771 has 16 divisors (see below), whose sum is σ = 49570384320. Its totient is φ = 35638732800.

The previous prime is 42471577739. The next prime is 42471577787. The reversal of 42471577771 is 17777517424.

It is not a de Polignac number, because 42471577771 - 2⁵ = 42471577739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42471577711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274566 + ... + 400411.

It is an arithmetic number, because the mean of its divisors is an integer number (3098149020).

Almost surely, 2^42471577771 is an apocalyptic number.

42471577771 is a deficient number, since it is larger than the sum of its proper divisors (7098806549).

42471577771 is a wasteful number, since it uses less digits than its factorization.

42471577771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675174.

The product of its digits is 2689120, while the sum is 52.

The spelling of 42471577771 in words is "forty-two billion, four hundred seventy-one million, five hundred seventy-seven thousand, seven hundred seventy-one".