878708736 has 120 divisors (see below), whose sum is σ = 2625132510. Its totient is φ = 292847616.

The previous prime is 878708723. The next prime is 878708737. The reversal of 878708736 is 637807878.

It can be written as a sum of positive squares in only one way, i.e., 627803136 + 250905600 = 25056^2 + 15840^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (878708737) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 163240 + ... + 168536.

Almost surely, 2^878708736 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 878708736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312566255).

878708736 is an abundant number, since it is smaller than the sum of its proper divisors (1746423774).

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

878708736 is an equidigital number, since it uses as much as digits as its factorization.

878708736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 878708736 is about 29643.0217083212. The cubic root of 878708736 is about 957.8150307619.

The spelling of 878708736 in words is "eight hundred seventy-eight million, seven hundred eight thousand, seven hundred thirty-six".