870004782 has 24 divisors (see below), whose sum is σ = 1913147496. Its totient is φ = 285672816.

The previous prime is 870004781. The next prime is 870004823. The reversal of 870004782 is 287400078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870004781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359493 + ... + 361904.

It is an arithmetic number, because the mean of its divisors is an integer number (79714479).

Almost surely, 2^870004782 is an apocalyptic number.

870004782 is an abundant number, since it is smaller than the sum of its proper divisors (1043142714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870004782 is a wasteful number, since it uses less digits than its factorization.

870004782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721472 (or 721469 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 870004782 is about 29495.8434698857. The cubic root of 870004782 is about 954.6420200093.

The spelling of 870004782 in words is "eight hundred seventy million, four thousand, seven hundred eighty-two".