872189482 has 4 divisors (see below), whose sum is σ = 1308284226. Its totient is φ = 436094740.

The previous prime is 872189453. The next prime is 872189491. The reversal of 872189482 is 284981278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284981278 = 2 ⋅142490639.

It can be written as a sum of positive squares in only one way, i.e., 755095441 + 117094041 = 27479^2 + 10821^2 .

It is a super-2 number, since 2×872189482² = 1521428985022856648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218047369 + ... + 218047372.

Almost surely, 2^872189482 is an apocalyptic number.

872189482 is a deficient number, since it is larger than the sum of its proper divisors (436094744).

872189482 is a wasteful number, since it uses less digits than its factorization.

872189482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436094743.

The product of its digits is 516096, while the sum is 49.

The square root of 872189482 is about 29532.8542812915. The cubic root of 872189482 is about 955.4404306038.

The spelling of 872189482 in words is "eight hundred seventy-two million, one hundred eighty-nine thousand, four hundred eighty-two".