870822498 has 128 divisors (see below), whose sum is σ = 2270822400. Its totient is φ = 216421632.

The previous prime is 870822443. The next prime is 870822503. The reversal of 870822498 is 894228078.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 680223 + ... + 681501.

It is an arithmetic number, because the mean of its divisors is an integer number (17740800).

Almost surely, 2^870822498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870822498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135411200).

870822498 is an abundant number, since it is smaller than the sum of its proper divisors (1399999902).

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

870822498 is a wasteful number, since it uses less digits than its factorization.

870822498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 870822498 is about 29509.7017606075. The cubic root of 870822498 is about 954.9410151521.

The spelling of 870822498 in words is "eight hundred seventy million, eight hundred twenty-two thousand, four hundred ninety-eight".