87378050166 has 24 divisors (see below), whose sum is σ = 192087285432. Its totient is φ = 26478196800.

The previous prime is 87378050063. The next prime is 87378050171. The reversal of 87378050166 is 66105087378.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60176995 + ... + 60178446.

It is an arithmetic number, because the mean of its divisors is an integer number (8003636893).

Almost surely, 2^87378050166 is an apocalyptic number.

87378050166 is an abundant number, since it is smaller than the sum of its proper divisors (104709235266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87378050166 is a wasteful number, since it uses less digits than its factorization.

87378050166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120355468 (or 120355457 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 87378050166 in words is "eighty-seven billion, three hundred seventy-eight million, fifty thousand, one hundred sixty-six".