870198784 has 160 divisors (see below), whose sum is σ = 2254855680. Its totient is φ = 325804032.

The previous prime is 870198773. The next prime is 870198787. The reversal of 870198784 is 487891078.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870198787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884757 + ... + 885739.

It is an arithmetic number, because the mean of its divisors is an integer number (14092848).

Almost surely, 2^870198784 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 870198784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127427840).

870198784 is an abundant number, since it is smaller than the sum of its proper divisors (1384656896).

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

870198784 is a wasteful number, since it uses less digits than its factorization.

870198784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 870198784 is about 29499.1319194311. The cubic root of 870198784 is about 954.7129731430.

The spelling of 870198784 in words is "eight hundred seventy million, one hundred ninety-eight thousand, seven hundred eighty-four".