85927777 has 8 divisors (see below), whose sum is σ = 94106880. Its totient is φ = 77972880.

The previous prime is 85927771. The next prime is 85927847. The reversal of 85927777 is 77772958.

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 85927777 - 2³ = 85927769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85927771) 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, 55249 + ... + 56782.

It is an arithmetic number, because the mean of its divisors is an integer number (11763360).

Almost surely, 2^85927777 is an apocalyptic number.

It is an amenable number.

85927777 is a deficient number, since it is larger than the sum of its proper divisors (8179103).

85927777 is a wasteful number, since it uses less digits than its factorization.

85927777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112103.

The product of its digits is 1728720, while the sum is 52.

The square root of 85927777 is about 9269.7236744145. The cubic root of 85927777 is about 441.2768985841.

The spelling of 85927777 in words is "eighty-five million, nine hundred twenty-seven thousand, seven hundred seventy-seven".