3871212768680 has 16 divisors (see below), whose sum is σ = 8710228729620. Its totient is φ = 1548485107456.

The previous prime is 3871212768649. The next prime is 3871212768727. The reversal of 3871212768680 is 868672121783.

It can be written as a sum of positive squares in 2 ways, for example, as 3869002452484 + 2210316196 = 1966978^2 + 47014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48390159569 + ... + 48390159648.

Almost surely, 2^{3871212768680} is an apocalyptic number.

It is an amenable number.

3871212768680 is an abundant number, since it is smaller than the sum of its proper divisors (4839015960940).

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

3871212768680 is a wasteful number, since it uses less digits than its factorization.

3871212768680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96780319228 (or 96780319224 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 3871212768680 in words is "three trillion, eight hundred seventy-one billion, two hundred twelve million, seven hundred sixty-eight thousand, six hundred eighty".