85990716 has 36 divisors (see below), whose sum is σ = 248418352. Its totient is φ = 24568704.

The previous prime is 85990703. The next prime is 85990733. The reversal of 85990716 is 61709958.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170365 + ... + 170868.

Almost surely, 2^85990716 is an apocalyptic number.

It is an amenable number.

85990716 is an abundant number, since it is smaller than the sum of its proper divisors (162427636).

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

85990716 is a wasteful number, since it uses less digits than its factorization.

85990716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341250 (or 341245 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 85990716 is about 9273.1179222525. The cubic root of 85990716 is about 441.3846120982.

The spelling of 85990716 in words is "eighty-five million, nine hundred ninety thousand, seven hundred sixteen".