872025819 has 32 divisors (see below), whose sum is σ = 1349415936. Its totient is φ = 490627200.

The previous prime is 872025809. The next prime is 872025823. The reversal of 872025819 is 918520278.

It is not a de Polignac number, because 872025819 - 2¹⁹ = 871501531 is a prime.

It is a super-2 number, since 2×872025819² = 1520858058005241522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872025809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416794 + ... + 418880.

It is an arithmetic number, because the mean of its divisors is an integer number (42169248).

Almost surely, 2^872025819 is an apocalyptic number.

872025819 is a deficient number, since it is larger than the sum of its proper divisors (477390117).

872025819 is a wasteful number, since it uses less digits than its factorization.

872025819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 872025819 is about 29530.0832880641. The cubic root of 872025819 is about 955.3806652921.

The spelling of 872025819 in words is "eight hundred seventy-two million, twenty-five thousand, eight hundred nineteen".