87166538682262 has 12 divisors (see below), whose sum is σ = 141581153067300. Its totient is φ = 40230710160888.

The previous prime is 87166538682257. The next prime is 87166538682263. The reversal of 87166538682262 is 26228683566178.

It is a junction number, because it is equal to n+sod(n) for n = 87166538682191 and 87166538682200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87166538682263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128944583512 + ... + 128944584187.

It is an arithmetic number, because the mean of its divisors is an integer number (11798429422275).

Almost surely, 2^{87166538682262} is an apocalyptic number.

87166538682262 is a deficient number, since it is larger than the sum of its proper divisors (54414614385038).

87166538682262 is a wasteful number, since it uses less digits than its factorization.

87166538682262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257889167727 (or 257889167714 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 70.

The spelling of 87166538682262 in words is "eighty-seven trillion, one hundred sixty-six billion, five hundred thirty-eight million, six hundred eighty-two thousand, two hundred sixty-two".