60008991 has 8 divisors (see below), whose sum is σ = 91442304. Its totient is φ = 34290840.

The previous prime is 60008957. The next prime is 60008999. The reversal of 60008991 is 19980006.

It is a happy number.

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

It is not a de Polignac number, because 60008991 - 2¹³ = 60000799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60008999) 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, 1428765 + ... + 1428806.

It is an arithmetic number, because the mean of its divisors is an integer number (11430288).

Almost surely, 2^60008991 is an apocalyptic number.

60008991 is a deficient number, since it is larger than the sum of its proper divisors (31433313).

60008991 is a wasteful number, since it uses less digits than its factorization.

60008991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857581.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 60008991 is about 7746.5470372289. The cubic root of 60008991 is about 391.5063179041.

Adding to 60008991 its reverse (19980006), we get a palindrome (79988997).

The spelling of 60008991 in words is "sixty million, eight thousand, nine hundred ninety-one".