85509502 has 8 divisors (see below), whose sum is σ = 138130776. Its totient is φ = 39465912.

The previous prime is 85509491. The next prime is 85509517. The reversal of 85509502 is 20590558.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644388 + ... + 1644439.

It is an arithmetic number, because the mean of its divisors is an integer number (17266347).

Almost surely, 2^85509502 is an apocalyptic number.

85509502 is a deficient number, since it is larger than the sum of its proper divisors (52621274).

85509502 is a wasteful number, since it uses less digits than its factorization.

85509502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288842.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 85509502 is about 9247.1347994933. The cubic root of 85509502 is about 440.5597249985.

The spelling of 85509502 in words is "eighty-five million, five hundred nine thousand, five hundred two".