85878005 has 8 divisors (see below), whose sum is σ = 108477600. Its totient is φ = 65086416.

The previous prime is 85877951. The next prime is 85878041. The reversal of 85878005 is 50087858.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85878005 - 2⁸ = 85877749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451895 + ... + 452084.

It is an arithmetic number, because the mean of its divisors is an integer number (13559700).

Almost surely, 2^85878005 is an apocalyptic number.

It is an amenable number.

85878005 is a deficient number, since it is larger than the sum of its proper divisors (22599595).

85878005 is a wasteful number, since it uses less digits than its factorization.

85878005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904003.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 85878005 is about 9267.0386316234. The cubic root of 85878005 is about 441.1916817640.

The spelling of 85878005 in words is "eighty-five million, eight hundred seventy-eight thousand, five".