85315902 has 32 divisors (see below), whose sum is σ = 198692352. Its totient is φ = 23915424.

The previous prime is 85315897. The next prime is 85315921. The reversal of 85315902 is 20951358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16938 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (6209136).

Almost surely, 2^85315902 is an apocalyptic number.

85315902 is an abundant number, since it is smaller than the sum of its proper divisors (113376450).

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

85315902 is a wasteful number, since it uses less digits than its factorization.

85315902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38392.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 85315902 is about 9236.6607602531. The cubic root of 85315902 is about 440.2269868765.

The spelling of 85315902 in words is "eighty-five million, three hundred fifteen thousand, nine hundred two".