85570260 has 24 divisors (see below), whose sum is σ = 239596896. Its totient is φ = 22818720.

The previous prime is 85570259. The next prime is 85570291. The reversal of 85570260 is 6207558.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713026 + ... + 713145.

It is an arithmetic number, because the mean of its divisors is an integer number (9983204).

Almost surely, 2^85570260 is an apocalyptic number.

It is an amenable number.

85570260 is an abundant number, since it is smaller than the sum of its proper divisors (154026636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85570260 is a wasteful number, since it uses less digits than its factorization.

85570260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426183 (or 1426181 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 85570260 is about 9250.4194499493. The cubic root of 85570260 is about 440.6640455314.

The spelling of 85570260 in words is "eighty-five million, five hundred seventy thousand, two hundred sixty".