1886870336872 has 16 divisors (see below), whose sum is σ = 3542191128900. Its totient is φ = 942286035840.

The previous prime is 1886870336863. The next prime is 1886870336873. The reversal of 1886870336872 is 2786330786881.

It can be written as a sum of positive squares in 2 ways, for example, as 1861876624036 + 24993712836 = 1364506^2 + 158094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1886870336798 and 1886870336807.

It is not an unprimeable number, because it can be changed into a prime (1886870336873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143634597 + ... + 143647732.

Almost surely, 2^{1886870336872} is an apocalyptic number.

It is an amenable number.

1886870336872 is a deficient number, since it is larger than the sum of its proper divisors (1655320792028).

1886870336872 is a wasteful number, since it uses less digits than its factorization.

1886870336872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287283156 (or 287283152 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 67.

The spelling of 1886870336872 in words is "one trillion, eight hundred eighty-six billion, eight hundred seventy million, three hundred thirty-six thousand, eight hundred seventy-two".