878645475 has 84 divisors (see below), whose sum is σ = 1678970416. Its totient is φ = 455595840.

The previous prime is 878645461. The next prime is 878645479. The reversal of 878645475 is 574546878.

878645475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 878645475 - 2¹⁰ = 878644451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878645479) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 673674 + ... + 674976.

Almost surely, 2^878645475 is an apocalyptic number.

878645475 is a deficient number, since it is larger than the sum of its proper divisors (800324941).

878645475 is a wasteful number, since it uses less digits than its factorization.

878645475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1348 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 878645475 is about 29641.9546420272. The cubic root of 878645475 is about 957.7920448401.

It can be divided in two parts, 87864 and 5475, that added together give a palindrome (93339).

The spelling of 878645475 in words is "eight hundred seventy-eight million, six hundred forty-five thousand, four hundred seventy-five".