87786427427768 has 32 divisors (see below), whose sum is σ = 173272537141200. Its totient is φ = 41580680228352.

The previous prime is 87786427427761. The next prime is 87786427427821. The reversal of 87786427427768 is 86772472468778.

87786427427768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87786427427761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13735505 + ... + 19084992.

Almost surely, 2^{87786427427768} is an apocalyptic number.

It is an amenable number.

87786427427768 is a deficient number, since it is larger than the sum of its proper divisors (85486109713432).

87786427427768 is a wasteful number, since it uses less digits than its factorization.

87786427427768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32838119 (or 32838115 counting only the distinct ones).

The product of its digits is 19826343936, while the sum is 83.

The spelling of 87786427427768 in words is "eighty-seven trillion, seven hundred eighty-six billion, four hundred twenty-seven million, four hundred twenty-seven thousand, seven hundred sixty-eight".