42771605047 has 8 divisors (see below), whose sum is σ = 42906207744. Its totient is φ = 42637122528.

The previous prime is 42771605029. The next prime is 42771605053. The reversal of 42771605047 is 74050617724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42771605047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42771604994 and 42771605012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42771605017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711453 + ... + 769225.

It is an arithmetic number, because the mean of its divisors is an integer number (5363275968).

Almost surely, 2^42771605047 is an apocalyptic number.

42771605047 is a deficient number, since it is larger than the sum of its proper divisors (134602697).

42771605047 is a wasteful number, since it uses less digits than its factorization.

42771605047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60089.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 42771605047 in words is "forty-two billion, seven hundred seventy-one million, six hundred five thousand, forty-seven".