85786527808 has 28 divisors (see below), whose sum is σ = 170787183952. Its totient is φ = 42753536640.

The previous prime is 85786527793. The next prime is 85786527839. The reversal of 85786527808 is 80872568758.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 85786527808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163438 + ... + 2202733.

It is an arithmetic number, because the mean of its divisors is an integer number (6099542284).

Almost surely, 2^85786527808 is an apocalyptic number.

It is an amenable number.

85786527808 is a deficient number, since it is larger than the sum of its proper divisors (85000656144).

85786527808 is a wasteful number, since it uses less digits than its factorization.

85786527808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366490 (or 4366480 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 64.

The spelling of 85786527808 in words is "eighty-five billion, seven hundred eighty-six million, five hundred twenty-seven thousand, eight hundred eight".