872785042 has 8 divisors (see below), whose sum is σ = 1315382832. Its totient is φ = 434324100.

The previous prime is 872785027. The next prime is 872785051. The reversal of 872785042 is 240587278.

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

It is a self number, because there is not a number n which added to its sum of digits gives 872785042.

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 in 3 ways as a sum of consecutive naturals, for example, 1033684 + ... + 1034527.

It is an arithmetic number, because the mean of its divisors is an integer number (164422854).

Almost surely, 2^872785042 is an apocalyptic number.

872785042 is a deficient number, since it is larger than the sum of its proper divisors (442597790).

872785042 is a wasteful number, since it uses less digits than its factorization.

872785042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068424.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 872785042 is about 29542.9355684231. The cubic root of 872785042 is about 955.6578499636.

The spelling of 872785042 in words is "eight hundred seventy-two million, seven hundred eighty-five thousand, forty-two".