868777085 has 16 divisors (see below), whose sum is σ = 1165050432. Its totient is φ = 616425600.

The previous prime is 868777079. The next prime is 868777103. The reversal of 868777085 is 580777868.

It is not a de Polignac number, because 868777085 - 2⁴ = 868777069 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 868777085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190379 + ... + 194888.

It is an arithmetic number, because the mean of its divisors is an integer number (72815652).

Almost surely, 2^868777085 is an apocalyptic number.

It is an amenable number.

868777085 is a deficient number, since it is larger than the sum of its proper divisors (296273347).

868777085 is a wasteful number, since it uses less digits than its factorization.

868777085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385324.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The square root of 868777085 is about 29475.0247667411. The cubic root of 868777085 is about 954.1927646754.

The spelling of 868777085 in words is "eight hundred sixty-eight million, seven hundred seventy-seven thousand, eighty-five".