878808078 has 24 divisors (see below), whose sum is σ = 1905422688. Its totient is φ = 292730112.

The previous prime is 878808061. The next prime is 878808089. The reversal of 878808078 is 870808878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10350 + ... + 43182.

It is an arithmetic number, because the mean of its divisors is an integer number (79392612).

Almost surely, 2^878808078 is an apocalyptic number.

878808078 is an abundant number, since it is smaller than the sum of its proper divisors (1026614610).

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

878808078 is a wasteful number, since it uses less digits than its factorization.

878808078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34328 (or 34325 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 54.

The square root of 878808078 is about 29644.6972998545. The cubic root of 878808078 is about 957.8511245099.

The spelling of 878808078 in words is "eight hundred seventy-eight million, eight hundred eight thousand, seventy-eight".