870541650 has 144 divisors (see below), whose sum is σ = 2588459328. Its totient is φ = 207984000.

The previous prime is 870541631. The next prime is 870541657. The reversal of 870541650 is 56145078.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (870541657) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 350212 + ... + 352688.

It is an arithmetic number, because the mean of its divisors is an integer number (17975412).

Almost surely, 2^870541650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870541650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294229664).

870541650 is an abundant number, since it is smaller than the sum of its proper divisors (1717917678).

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

870541650 is a wasteful number, since it uses less digits than its factorization.

870541650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 870541650 is about 29504.9428062486. The cubic root of 870541650 is about 954.8383451240.

The spelling of 870541650 in words is "eight hundred seventy million, five hundred forty-one thousand, six hundred fifty".