85265570 has 32 divisors (see below), whose sum is σ = 166304880. Its totient is φ = 31474560.

The previous prime is 85265507. The next prime is 85265573. The reversal of 85265570 is 7556258.

It can be written as a sum of positive squares in 8 ways, for example, as 3308761 + 81956809 = 1819^2 + 9053^2 .

It is not an unprimeable number, because it can be changed into a prime (85265573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20030 + ... + 23910.

Almost surely, 2^85265570 is an apocalyptic number.

85265570 is a deficient number, since it is larger than the sum of its proper divisors (81039310).

85265570 is a wasteful number, since it uses less digits than its factorization.

85265570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 85265570 is about 9233.9357805867. The cubic root of 85265570 is about 440.1403994101.

The spelling of 85265570 in words is "eighty-five million, two hundred sixty-five thousand, five hundred seventy".