102178874061768 has 128 divisors (see below), whose sum is σ = 307427464396800. Its totient is φ = 27668471567616.

The previous prime is 102178874061757. The next prime is 102178874061793. The reversal of 102178874061768 is 867160478871201.

It is a junction number, because it is equal to n+sod(n) for n = 102178874061699 and 102178874061708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120880696 + ... + 121723047.

It is an arithmetic number, because the mean of its divisors is an integer number (2401777065600).

Almost surely, 2^{102178874061768} is an apocalyptic number.

It is an amenable number.

102178874061768 is an abundant number, since it is smaller than the sum of its proper divisors (205248590335032).

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

102178874061768 is a wasteful number, since it uses less digits than its factorization.

102178874061768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242603891 (or 242603887 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 66.

The spelling of 102178874061768 in words is "one hundred two trillion, one hundred seventy-eight billion, eight hundred seventy-four million, sixty-one thousand, seven hundred sixty-eight".