85510645 has 8 divisors (see below), whose sum is σ = 111941280. Its totient is φ = 62189520.

The previous prime is 85510639. The next prime is 85510657. The reversal of 85510645 is 54601558.

It is a happy number.

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

It is not a de Polignac number, because 85510645 - 2¹¹ = 85508597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85510645.

It is a congruent 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, 777315 + ... + 777424.

It is an arithmetic number, because the mean of its divisors is an integer number (13992660).

Almost surely, 2^85510645 is an apocalyptic number.

It is an amenable number.

85510645 is a deficient number, since it is larger than the sum of its proper divisors (26430635).

85510645 is a wasteful number, since it uses less digits than its factorization.

85510645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554755.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 85510645 is about 9247.1966022141. The cubic root of 85510645 is about 440.5616879675.

The spelling of 85510645 in words is "eighty-five million, five hundred ten thousand, six hundred forty-five".