878125585 has 8 divisors (see below), whose sum is σ = 1055549376. Its totient is φ = 701301360.

The previous prime is 878125583. The next prime is 878125601. The reversal of 878125585 is 585521878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 878125585 - 2¹ = 878125583 is a prime.

It is a super-2 number, since 2×878125585² = 1542209086063184450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878125583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146661 + ... + 152530.

It is an arithmetic number, because the mean of its divisors is an integer number (131943672).

Almost surely, 2^878125585 is an apocalyptic number.

It is an amenable number.

878125585 is a deficient number, since it is larger than the sum of its proper divisors (177423791).

878125585 is a wasteful number, since it uses less digits than its factorization.

878125585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299783.

The product of its digits is 896000, while the sum is 49.

The square root of 878125585 is about 29633.1838485169. The cubic root of 878125585 is about 957.6031006969.

The spelling of 878125585 in words is "eight hundred seventy-eight million, one hundred twenty-five thousand, five hundred eighty-five".