3478216412187 has 128 divisors (see below), whose sum is σ = 5757443712000. Its totient is φ = 2057723965440.

The previous prime is 3478216412179. The next prime is 3478216412189. The reversal of 3478216412187 is 7812146128743.

3478216412187 is a `hidden beast` number, since 3 + 4 + 7 + 8 + 216 + 412 + 1 + 8 + 7 = 666.

It is not a de Polignac number, because 3478216412187 - 2³ = 3478216412179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3478216412189) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 885265639 + ... + 885269567.

It is an arithmetic number, because the mean of its divisors is an integer number (44980029000).

Almost surely, 2^{3478216412187} is an apocalyptic number.

3478216412187 is a deficient number, since it is larger than the sum of its proper divisors (2279227299813).

3478216412187 is a wasteful number, since it uses less digits than its factorization.

3478216412187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4452 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 3478216412187 in words is "three trillion, four hundred seventy-eight billion, two hundred sixteen million, four hundred twelve thousand, one hundred eighty-seven".