3873847542120 has 96 divisors (see below), whose sum is σ = 12594946689000. Its totient is φ = 1032620499456.

The previous prime is 3873847542119. The next prime is 3873847542179. The reversal of 3873847542120 is 212457483783.

It is a happy number.

3873847542120 is a `hidden beast` number, since 3 + 8 + 7 + 3 + 8 + 475 + 42 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3795459861636 + 78387680484 = 1948194^2 + 279978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1193127 + ... + 3028406.

Almost surely, 2^{3873847542120} is an apocalyptic number.

3873847542120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3873847542120 is an abundant number, since it is smaller than the sum of its proper divisors (8721099146880).

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

3873847542120 is a wasteful number, since it uses less digits than its factorization.

3873847542120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224099 (or 4224092 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 3873847542120 in words is "three trillion, eight hundred seventy-three billion, eight hundred forty-seven million, five hundred forty-two thousand, one hundred twenty".