872824782 has 8 divisors (see below), whose sum is σ = 1745649576. Its totient is φ = 290941592.

The previous prime is 872824753. The next prime is 872824789. The reversal of 872824782 is 287428278.

It is a sphenic number, since it is the product of 3 distinct primes.

872824782 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872824789) 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, 72735393 + ... + 72735404.

It is an arithmetic number, because the mean of its divisors is an integer number (218206197).

Almost surely, 2^872824782 is an apocalyptic number.

872824782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

872824782 is a wasteful number, since it uses less digits than its factorization.

872824782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145470802.

The product of its digits is 802816, while the sum is 48.

The square root of 872824782 is about 29543.6081411868. The cubic root of 872824782 is about 955.6723542095.

The spelling of 872824782 in words is "eight hundred seventy-two million, eight hundred twenty-four thousand, seven hundred eighty-two".