872851403 has 8 divisors (see below), whose sum is σ = 911133600. Its totient is φ = 834596928.

The previous prime is 872851363. The next prime is 872851409. The reversal of 872851403 is 304158278.

872851403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 872851403 - 2⁶ = 872851339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872851409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81653 + ... + 91721.

It is an arithmetic number, because the mean of its divisors is an integer number (113891700).

Almost surely, 2^872851403 is an apocalyptic number.

872851403 is a deficient number, since it is larger than the sum of its proper divisors (38282197).

872851403 is a wasteful number, since it uses less digits than its factorization.

872851403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 872851403 is about 29544.0586751381. The cubic root of 872851403 is about 955.6820700561.

It can be divided in two parts, 87285 and 1403, that added together give a palindrome (88688).

The spelling of 872851403 in words is "eight hundred seventy-two million, eight hundred fifty-one thousand, four hundred three".