87127011 has 24 divisors (see below), whose sum is σ = 129841920. Its totient is φ = 56271600.

The previous prime is 87127003. The next prime is 87127021. The reversal of 87127011 is 11072178.

It is not a de Polignac number, because 87127011 - 2³ = 87127003 is a prime.

It is a super-2 number, since 2×87127011² = 15182232091588242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87127021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36546 + ... + 38856.

It is an arithmetic number, because the mean of its divisors is an integer number (5410080).

Almost surely, 2^87127011 is an apocalyptic number.

87127011 is a deficient number, since it is larger than the sum of its proper divisors (42714909).

87127011 is a wasteful number, since it uses less digits than its factorization.

87127011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 87127011 is about 9334.1850742312. The cubic root of 87127011 is about 443.3202863605.

Adding to 87127011 its reverse (11072178), we get a palindrome (98199189).

The spelling of 87127011 in words is "eighty-seven million, one hundred twenty-seven thousand, eleven".