85070785 has 8 divisors (see below), whose sum is σ = 103096296. Its totient is φ = 67382400.

The previous prime is 85070779. The next prime is 85070801. The reversal of 85070785 is 58707058.

It can be written as a sum of positive squares in 4 ways, for example, as 16313521 + 68757264 = 4039^2 + 8292^2 .

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

It is not a de Polignac number, because 85070785 - 2⁹ = 85070273 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian 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, 83724 + ... + 84733.

It is an arithmetic number, because the mean of its divisors is an integer number (12887037).

Almost surely, 2^85070785 is an apocalyptic number.

It is an amenable number.

85070785 is a deficient number, since it is larger than the sum of its proper divisors (18025511).

85070785 is a wasteful number, since it uses less digits than its factorization.

85070785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168563.

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 85070785 is about 9223.3825140238. The cubic root of 85070785 is about 439.8049841706.

The spelling of 85070785 in words is "eighty-five million, seventy thousand, seven hundred eighty-five".