85958520 has 32 divisors (see below), whose sum is σ = 257875920. Its totient is φ = 22922240.

The previous prime is 85958513. The next prime is 85958531. The reversal of 85958520 is 2585958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358041 + ... + 358280.

Almost surely, 2^85958520 is an apocalyptic number.

It is an amenable number.

85958520 is an abundant number, since it is smaller than the sum of its proper divisors (171917400).

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

85958520 is a wasteful number, since it uses less digits than its factorization.

85958520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716335 (or 716331 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 85958520 is about 9271.3817740399. The cubic root of 85958520 is about 441.3295185812.

The spelling of 85958520 in words is "eighty-five million, nine hundred fifty-eight thousand, five hundred twenty".