878275590 has 64 divisors (see below), whose sum is σ = 2240270784. Its totient is φ = 219598848.

The previous prime is 878275571. The next prime is 878275603. The reversal of 878275590 is 95572878.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 31 ways as a sum of consecutive naturals, for example, 138162 + ... + 144378.

It is an arithmetic number, because the mean of its divisors is an integer number (35004231).

Almost surely, 2^878275590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878275590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120135392).

878275590 is an abundant number, since it is smaller than the sum of its proper divisors (1361995194).

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

878275590 is a wasteful number, since it uses less digits than its factorization.

878275590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The square root of 878275590 is about 29635.7147712013. The cubic root of 878275590 is about 957.6576248170.

The spelling of 878275590 in words is "eight hundred seventy-eight million, two hundred seventy-five thousand, five hundred ninety".