42386881527 has 8 divisors (see below), whose sum is σ = 62795380080. Its totient is φ = 28257921000.

The previous prime is 42386881517. The next prime is 42386881543. The reversal of 42386881527 is 72518868324.

42386881527 is a `hidden beast` number, since 4 + 2 + 38 + 6 + 8 + 81 + 527 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-42386881527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42386881517) 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, 784942224 + ... + 784942277.

It is an arithmetic number, because the mean of its divisors is an integer number (7849422510).

Almost surely, 2^42386881527 is an apocalyptic number.

42386881527 is a deficient number, since it is larger than the sum of its proper divisors (20408498553).

42386881527 is a wasteful number, since it uses less digits than its factorization.

42386881527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569884510 (or 1569884504 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 42386881527 in words is "forty-two billion, three hundred eighty-six million, eight hundred eighty-one thousand, five hundred twenty-seven".