1872894512 has 40 divisors (see below), whose sum is σ = 3755950080. Its totient is φ = 903781440.

The previous prime is 1872894511. The next prime is 1872894521. The reversal of 1872894512 is 2154982781.

It is not an unprimeable number, because it can be changed into a prime (1872894511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185039 + ... + 194897.

It is an arithmetic number, because the mean of its divisors is an integer number (93898752).

Almost surely, 2^1872894512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872894512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877975040).

1872894512 is an abundant number, since it is smaller than the sum of its proper divisors (1883055568).

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

1872894512 is a wasteful number, since it uses less digits than its factorization.

1872894512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281 (or 10275 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The square root of 1872894512 is about 43276.9512789429. The cubic root of 1872894512 is about 1232.6443016301.

The spelling of 1872894512 in words is "one billion, eight hundred seventy-two million, eight hundred ninety-four thousand, five hundred twelve".