878396736 has 168 divisors, whose sum is σ = 2742712320. Its totient is φ = 247339008.

The previous prime is 878396711. The next prime is 878396737. The reversal of 878396736 is 637693878.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878396737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686145 + ... + 687423.

Almost surely, 2^878396736 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 878396736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371356160).

878396736 is an abundant number, since it is smaller than the sum of its proper divisors (1864315584).

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

878396736 is a wasteful number, since it uses less digits than its factorization.

878396736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1364 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 878396736 is about 29637.7586197067. The cubic root of 878396736 is about 957.7016546781.

The spelling of 878396736 in words is "eight hundred seventy-eight million, three hundred ninety-six thousand, seven hundred thirty-six".