985221387359 has 8 divisors (see below), whose sum is σ = 1074800956800. Its totient is φ = 895644149400.

The previous prime is 985221387289. The next prime is 985221387383. The reversal of 985221387359 is 953783122589.

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

It is not a de Polignac number, because 985221387359 - 2¹⁶ = 985221321823 is a prime.

It is a super-2 number, since 2×985221387359² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985221387259) 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, 368174 + ... + 1451204.

It is an arithmetic number, because the mean of its divisors is an integer number (134350119600).

Almost surely, 2^985221387359 is an apocalyptic number.

985221387359 is a deficient number, since it is larger than the sum of its proper divisors (89579569441).

985221387359 is a wasteful number, since it uses less digits than its factorization.

985221387359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165741.

The product of its digits is 32659200, while the sum is 62.

The spelling of 985221387359 in words is "nine hundred eighty-five billion, two hundred twenty-one million, three hundred eighty-seven thousand, three hundred fifty-nine".