87656495 has 4 divisors (see below), whose sum is σ = 105187800. Its totient is φ = 70125192.

The previous prime is 87656467. The next prime is 87656497. The reversal of 87656495 is 59465678.

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 87656495 - 2⁶ = 87656431 is a prime.

It is a super-2 number, since 2×87656495² = 15367322231370050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87656497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8765645 + ... + 8765654.

It is an arithmetic number, because the mean of its divisors is an integer number (26296950).

Almost surely, 2^87656495 is an apocalyptic number.

87656495 is a deficient number, since it is larger than the sum of its proper divisors (17531305).

87656495 is a wasteful number, since it uses less digits than its factorization.

87656495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17531304.

The product of its digits is 1814400, while the sum is 50.

The square root of 87656495 is about 9362.5047396517. The cubic root of 87656495 is about 444.2165147369.

The spelling of 87656495 in words is "eighty-seven million, six hundred fifty-six thousand, four hundred ninety-five".