85328656 has 20 divisors (see below), whose sum is σ = 188942272. Its totient is φ = 36569376.

The previous prime is 85328651. The next prime is 85328671. The reversal of 85328656 is 65682358.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85328651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380820 + ... + 381043.

Almost surely, 2^85328656 is an apocalyptic number.

It is an amenable number.

85328656 is an abundant number, since it is smaller than the sum of its proper divisors (103613616).

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

85328656 is a wasteful number, since it uses less digits than its factorization.

85328656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761878 (or 761872 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 85328656 is about 9237.3511354717. The cubic root of 85328656 is about 440.2489225107.

The spelling of 85328656 in words is "eighty-five million, three hundred twenty-eight thousand, six hundred fifty-six".