872501852 has 6 divisors (see below), whose sum is σ = 1526878248. Its totient is φ = 436250924.

The previous prime is 872501827. The next prime is 872501887. The reversal of 872501852 is 258105278.

It is a happy number.

It is a super-2 number, since 2×872501852² = 1522518963486859808, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109062728 + ... + 109062735.

It is an arithmetic number, because the mean of its divisors is an integer number (254479708).

Almost surely, 2^872501852 is an apocalyptic number.

It is an amenable number.

872501852 is a deficient number, since it is larger than the sum of its proper divisors (654376396).

872501852 is a wasteful number, since it uses less digits than its factorization.

872501852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218125467 (or 218125465 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 872501852 is about 29538.1423247976. The cubic root of 872501852 is about 955.5544789504.

The spelling of 872501852 in words is "eight hundred seventy-two million, five hundred one thousand, eight hundred fifty-two".