870203840 has 112 divisors (see below), whose sum is σ = 2275210080. Its totient is φ = 314388480.

The previous prime is 870203797. The next prime is 870203849. The reversal of 870203840 is 48302078.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 870203797 and 870203806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870203849) 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, 608246 + ... + 609674.

Almost surely, 2^870203840 is an apocalyptic number.

870203840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870203840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137605040).

870203840 is an abundant number, since it is smaller than the sum of its proper divisors (1405006240).

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

870203840 is a wasteful number, since it uses less digits than its factorization.

870203840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 870203840 is about 29499.2176167437. The cubic root of 870203840 is about 954.7148221533.

It can be divided in two parts, 8702038 and 40, that added together give a palindrome (8702078).

The spelling of 870203840 in words is "eight hundred seventy million, two hundred three thousand, eight hundred forty".