87726011 has 4 divisors (see below), whose sum is σ = 88052400. Its totient is φ = 87399624.

The previous prime is 87725959. The next prime is 87726029. The reversal of 87726011 is 11062778.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87726011 - 2¹⁴ = 87709627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87726031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162791 + ... + 163328.

It is an arithmetic number, because the mean of its divisors is an integer number (22013100).

Almost surely, 2^87726011 is an apocalyptic number.

87726011 is a deficient number, since it is larger than the sum of its proper divisors (326389).

87726011 is a wasteful number, since it uses less digits than its factorization.

87726011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326388.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 87726011 is about 9366.2164719806. The cubic root of 87726011 is about 444.3339123721. Note that the first 3 decimals are identical.

Adding to 87726011 its reverse (11062778), we get a palindrome (98788789).

The spelling of 87726011 in words is "eighty-seven million, seven hundred twenty-six thousand, eleven".