87927927 has 16 divisors (see below), whose sum is σ = 124328160. Its totient is φ = 55084032.

The previous prime is 87927923. The next prime is 87927941. The reversal of 87927927 is 72972978.

It is not a de Polignac number, because 87927927 - 2² = 87927923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 87927927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87927923) 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 15 ways as a sum of consecutive naturals, for example, 51849 + ... + 53517.

It is an arithmetic number, because the mean of its divisors is an integer number (7770510).

Almost surely, 2^87927927 is an apocalyptic number.

87927927 is a deficient number, since it is larger than the sum of its proper divisors (36400233).

87927927 is a wasteful number, since it uses less digits than its factorization.

87927927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722.

The product of its digits is 889056, while the sum is 51.

The square root of 87927927 is about 9376.9892289583. The cubic root of 87927927 is about 444.6745539499.

The spelling of 87927927 in words is "eighty-seven million, nine hundred twenty-seven thousand, nine hundred twenty-seven".