878339280 has 320 divisors, whose sum is σ = 3387783168. Its totient is φ = 183306240.

The previous prime is 878339261. The next prime is 878339299. The reversal of 878339280 is 82933878.

It is an interprime number because it is at equal distance from previous prime (878339261) and next prime (878339299).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2860887 + ... + 2861193.

Almost surely, 2^878339280 is an apocalyptic number.

878339280 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 878339280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693891584).

878339280 is an abundant number, since it is smaller than the sum of its proper divisors (2509443888).

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

878339280 is a wasteful number, since it uses less digits than its factorization.

878339280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 878339280 is about 29636.7892997875. The cubic root of 878339280 is about 957.6807731092.

The spelling of 878339280 in words is "eight hundred seventy-eight million, three hundred thirty-nine thousand, two hundred eighty".