85861265 has 8 divisors (see below), whose sum is σ = 117752640. Its totient is φ = 58876272.

The previous prime is 85861189. The next prime is 85861291. The reversal of 85861265 is 56216858.

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

It is not a de Polignac number, because 85861265 - 2¹⁶ = 85795729 is a prime.

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, 1226555 + ... + 1226624.

It is an arithmetic number, because the mean of its divisors is an integer number (14719080).

Almost surely, 2^85861265 is an apocalyptic number.

It is an amenable number.

85861265 is a deficient number, since it is larger than the sum of its proper divisors (31891375).

85861265 is a wasteful number, since it uses less digits than its factorization.

85861265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453191.

The product of its digits is 115200, while the sum is 41.

The square root of 85861265 is about 9266.1353864489. The cubic root of 85861265 is about 441.1630130780.

The spelling of 85861265 in words is "eighty-five million, eight hundred sixty-one thousand, two hundred sixty-five".