870748840 has 96 divisors (see below), whose sum is σ = 2246573880. Its totient is φ = 302555136.

The previous prime is 870748807. The next prime is 870748841. The reversal of 870748840 is 48847078.

870748840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 63393444 + 807355396 = 7962^2 + 28414^2 .

It is a super-2 number, since 2×870748840² = 1516407084722691200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (870748841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111132 + ... + 118708.

Almost surely, 2^870748840 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 870748840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123286940).

870748840 is an abundant number, since it is smaller than the sum of its proper divisors (1375825040).

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

870748840 is a wasteful number, since it uses less digits than its factorization.

870748840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 870748840 is about 29508.4537039812. The cubic root of 870748840 is about 954.9140900214.

The spelling of 870748840 in words is "eight hundred seventy million, seven hundred forty-eight thousand, eight hundred forty".