870553992 has 192 divisors, whose sum is σ = 2784974400. Its totient is φ = 224232960.

The previous prime is 870553967. The next prime is 870553993. The reversal of 870553992 is 299355078.

It is a happy number.

870553992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (870553993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2237734 + ... + 2238122.

It is an arithmetic number, because the mean of its divisors is an integer number (14505075).

Almost surely, 2^870553992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870553992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392487200).

870553992 is an abundant number, since it is smaller than the sum of its proper divisors (1914420408).

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

870553992 is a wasteful number, since it uses less digits than its factorization.

870553992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 870553992 is about 29505.1519569041. The cubic root of 870553992 is about 954.8428574715.

The spelling of 870553992 in words is "eight hundred seventy million, five hundred fifty-three thousand, nine hundred ninety-two".