872084870 has 64 divisors (see below), whose sum is σ = 1730543616. Its totient is φ = 314979840.

The previous prime is 872084861. The next prime is 872084879. The reversal of 872084870 is 78480278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (872084861) and next prime (872084879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872084879) 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, 668639 + ... + 669941.

It is an arithmetic number, because the mean of its divisors is an integer number (27039744).

Almost surely, 2^872084870 is an apocalyptic number.

872084870 is a deficient number, since it is larger than the sum of its proper divisors (858458746).

872084870 is a wasteful number, since it uses less digits than its factorization.

872084870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 872084870 is about 29531.0831159306. The cubic root of 872084870 is about 955.4022299862.

The spelling of 872084870 in words is "eight hundred seventy-two million, eighty-four thousand, eight hundred seventy".