87656546 has 8 divisors (see below), whose sum is σ = 131659884. Its totient is φ = 43769920.

The previous prime is 87656537. The next prime is 87656563. The reversal of 87656546 is 64565678.

It can be written as a sum of positive squares in 2 ways, for example, as 64722025 + 22934521 = 8045^2 + 4789^2 .

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

It is a super-3 number, since 3×87656546³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87656546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27275 + ... + 30318.

Almost surely, 2^87656546 is an apocalyptic number.

87656546 is a deficient number, since it is larger than the sum of its proper divisors (44003338).

87656546 is a wasteful number, since it uses less digits than its factorization.

87656546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58356.

The product of its digits is 1209600, while the sum is 47.

The square root of 87656546 is about 9362.5074632814. The cubic root of 87656546 is about 444.2166008877.

The spelling of 87656546 in words is "eighty-seven million, six hundred fifty-six thousand, five hundred forty-six".