87887538543427 has 16 divisors (see below), whose sum is σ = 100467252813312. Its totient is φ = 75313913448960.

The previous prime is 87887538543397. The next prime is 87887538543437. The reversal of 87887538543427 is 72434583578878.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87887538543427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87887538543437) 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, 1740425443 + ... + 1740475939.

It is an arithmetic number, because the mean of its divisors is an integer number (6279203300832).

Almost surely, 2^{87887538543427} is an apocalyptic number.

87887538543427 is a deficient number, since it is larger than the sum of its proper divisors (12579714269885).

87887538543427 is a wasteful number, since it uses less digits than its factorization.

87887538543427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105858.

The product of its digits is 10115481600, while the sum is 79.

The spelling of 87887538543427 in words is "eighty-seven trillion, eight hundred eighty-seven billion, five hundred thirty-eight million, five hundred forty-three thousand, four hundred twenty-seven".