878834474476245 has 192 divisors, whose sum is σ = 1817616265920000. Its totient is φ = 384325247674368.

The previous prime is 878834474476229. The next prime is 878834474476279. The reversal of 878834474476245 is 542674474438878.

878834474476245 is a `hidden beast` number, since 8 + 7 + 8 + 8 + 3 + 4 + 474 + 47 + 62 + 45 = 666.

It is not a de Polignac number, because 878834474476245 - 2⁴ = 878834474476229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 539549466 + ... + 541175844.

It is an arithmetic number, because the mean of its divisors is an integer number (9466751385000).

Almost surely, 2^{878834474476245} is an apocalyptic number.

It is an amenable number.

878834474476245 is an abundant number, since it is smaller than the sum of its proper divisors (938781791443755).

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

878834474476245 is a wasteful number, since it uses less digits than its factorization.

878834474476245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626972 (or 1626969 counting only the distinct ones).

The product of its digits is 32369541120, while the sum is 81.

The spelling of 878834474476245 in words is "eight hundred seventy-eight trillion, eight hundred thirty-four billion, four hundred seventy-four million, four hundred seventy-six thousand, two hundred forty-five".