878863347 has 12 divisors (see below), whose sum is σ = 1287350064. Its totient is φ = 577656240.

The previous prime is 878863339. The next prime is 878863393. The reversal of 878863347 is 743368878.

It is not a de Polignac number, because 878863347 - 2³ = 878863339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 878863293 and 878863302.

It is not an unprimeable number, because it can be changed into a prime (878863397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687048 + ... + 688325.

It is an arithmetic number, because the mean of its divisors is an integer number (107279172).

Almost surely, 2^878863347 is an apocalyptic number.

878863347 is a deficient number, since it is larger than the sum of its proper divisors (408486717).

878863347 is a wasteful number, since it uses less digits than its factorization.

878863347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375450 (or 1375447 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 878863347 is about 29645.6294755230. The cubic root of 878863347 is about 957.8712041175.

The spelling of 878863347 in words is "eight hundred seventy-eight million, eight hundred sixty-three thousand, three hundred forty-seven".