878483840 has 128 divisors (see below), whose sum is σ = 2395098720. Its totient is φ = 305233920.

The previous prime is 878483813. The next prime is 878483843. The reversal of 878483840 is 48384878.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×878483840² = 1543467714282291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878483843) 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, 138335 + ... + 144545.

Almost surely, 2^878483840 is an apocalyptic number.

878483840 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 878483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197549360).

878483840 is an abundant number, since it is smaller than the sum of its proper divisors (1516614880).

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

878483840 is a wasteful number, since it uses less digits than its factorization.

878483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6248 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 50.

The square root of 878483840 is about 29639.2280601233. The cubic root of 878483840 is about 957.7333096560.

It can be divided in two parts, 8784838 and 40, that added together give a palindrome (8784878).

The spelling of 878483840 in words is "eight hundred seventy-eight million, four hundred eighty-three thousand, eight hundred forty".