1887348156 has 12 divisors (see below), whose sum is σ = 4403812392. Its totient is φ = 629116048.

The previous prime is 1887348139. The next prime is 1887348161. The reversal of 1887348156 is 6518437881.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1887348099 and 1887348108.

It is a congruent number.

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, 78639495 + ... + 78639518.

It is an arithmetic number, because the mean of its divisors is an integer number (366984366).

Almost surely, 2^1887348156 is an apocalyptic number.

It is an amenable number.

1887348156 is an abundant number, since it is smaller than the sum of its proper divisors (2516464236).

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

1887348156 is a wasteful number, since it uses less digits than its factorization.

1887348156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157279020 (or 157279018 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 1887348156 is about 43443.6204292414. The cubic root of 1887348156 is about 1235.8070650140.

The spelling of 1887348156 in words is "one billion, eight hundred eighty-seven million, three hundred forty-eight thousand, one hundred fifty-six".