870028544 has 288 divisors, whose sum is σ = 2401781760. Its totient is φ = 304128000.

The previous prime is 870028541. The next prime is 870028559. The reversal of 870028544 is 445820078.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 870028498 and 870028507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870028541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8614094 + ... + 8614194.

It is an arithmetic number, because the mean of its divisors is an integer number (8339520).

Almost surely, 2^870028544 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 870028544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200890880).

870028544 is an abundant number, since it is smaller than the sum of its proper divisors (1531753216).

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

870028544 is a wasteful number, since it uses less digits than its factorization.

870028544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 870028544 is about 29496.2462696527. The cubic root of 870028544 is about 954.6507111482.

The spelling of 870028544 in words is "eight hundred seventy million, twenty-eight thousand, five hundred forty-four".