83127011 has 6 divisors (see below), whose sum is σ = 90717012. Its totient is φ = 75542520.

The previous prime is 83127007. The next prime is 83127061. The reversal of 83127011 is 11072138.

It is a happy number.

It is not a de Polignac number, because 83127011 - 2² = 83127007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83127001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28865 + ... + 31613.

It is an arithmetic number, because the mean of its divisors is an integer number (15119502).

Almost surely, 2^83127011 is an apocalyptic number.

83127011 is a deficient number, since it is larger than the sum of its proper divisors (7590001).

83127011 is an frugal number, since it uses more digits than its factorization.

83127011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 83127011 is about 9117.4015486870. The cubic root of 83127011 is about 436.4294561397.

Adding to 83127011 its reverse (11072138), we get a palindrome (94199149).

The spelling of 83127011 in words is "eighty-three million, one hundred twenty-seven thousand, eleven".