85176920 has 16 divisors (see below), whose sum is σ = 191648160. Its totient is φ = 34070752.

The previous prime is 85176913. The next prime is 85176929. The reversal of 85176920 is 2967158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85176929) 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, 1064672 + ... + 1064751.

It is an arithmetic number, because the mean of its divisors is an integer number (11978010).

Almost surely, 2^85176920 is an apocalyptic number.

It is an amenable number.

85176920 is an abundant number, since it is smaller than the sum of its proper divisors (106471240).

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

85176920 is a wasteful number, since it uses less digits than its factorization.

85176920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129434 (or 2129430 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 85176920 is about 9229.1343039312. The cubic root of 85176920 is about 439.9878095796.

The spelling of 85176920 in words is "eighty-five million, one hundred seventy-six thousand, nine hundred twenty".