878170253 has 4 divisors (see below), whose sum is σ = 924389760. Its totient is φ = 831950748.

The previous prime is 878170211. The next prime is 878170259. The reversal of 878170253 is 352071878.

878170253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 878170253 - 2⁸ = 878169997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878170253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878170259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23109725 + ... + 23109762.

It is an arithmetic number, because the mean of its divisors is an integer number (231097440).

Almost surely, 2^878170253 is an apocalyptic number.

It is an amenable number.

878170253 is a deficient number, since it is larger than the sum of its proper divisors (46219507).

878170253 is a wasteful number, since it uses less digits than its factorization.

878170253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46219506.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 878170253 is about 29633.9375210248. The cubic root of 878170253 is about 957.6193373609.

The spelling of 878170253 in words is "eight hundred seventy-eight million, one hundred seventy thousand, two hundred fifty-three".