85960921 has 8 divisors (see below), whose sum is σ = 90786080. Its totient is φ = 81165888.

The previous prime is 85960877. The next prime is 85960939. The reversal of 85960921 is 12906958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85960921 - 2⁹ = 85960409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85960951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (11348260).

Almost surely, 2^85960921 is an apocalyptic number.

It is an amenable number.

85960921 is a deficient number, since it is larger than the sum of its proper divisors (4825159).

85960921 is a wasteful number, since it uses less digits than its factorization.

85960921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 85960921 is about 9271.5112576106. The cubic root of 85960921 is about 441.3336276263. Note that the first 3 decimals are identical.

The spelling of 85960921 in words is "eighty-five million, nine hundred sixty thousand, nine hundred twenty-one".