42771754227605 has 8 divisors (see below), whose sum is σ = 55274267001912. Its totient is φ = 31585295429568.

The previous prime is 42771754227599. The next prime is 42771754227613. The reversal of 42771754227605 is 50672245717724.

It can be written as a sum of positive squares in 4 ways, for example, as 2570359258756 + 40201394968849 = 1603234^2 + 6340457^2 .

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 42771754227605 - 2⁶ = 42771754227541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329013493994 + ... + 329013494123.

It is an arithmetic number, because the mean of its divisors is an integer number (6909283375239).

Almost surely, 2^{42771754227605} is an apocalyptic number.

It is an amenable number.

42771754227605 is a deficient number, since it is larger than the sum of its proper divisors (12502512774307).

42771754227605 is a wasteful number, since it uses less digits than its factorization.

42771754227605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658026988135.

The product of its (nonzero) digits is 46099200, while the sum is 59.

The spelling of 42771754227605 in words is "forty-two trillion, seven hundred seventy-one billion, seven hundred fifty-four million, two hundred twenty-seven thousand, six hundred five".