878361264 has 90 divisors (see below), whose sum is σ = 2702032788. Its totient is φ = 266164800.

The previous prime is 878361221. The next prime is 878361269. The reversal of 878361264 is 462163878.

878361264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (878361269) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7782 + ... + 42629.

Almost surely, 2^878361264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878361264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351016394).

878361264 is an abundant number, since it is smaller than the sum of its proper divisors (1823671524).

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

878361264 is a wasteful number, since it uses less digits than its factorization.

878361264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50447 (or 50427 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 878361264 is about 29637.1601878453. The cubic root of 878361264 is about 957.6887629900.

The spelling of 878361264 in words is "eight hundred seventy-eight million, three hundred sixty-one thousand, two hundred sixty-four".