87451567 has 8 divisors (see below), whose sum is σ = 100006016. Its totient is φ = 74912472.

The previous prime is 87451531. The next prime is 87451571. The reversal of 87451567 is 76515478.

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

It is a cyclic number.

It is not a de Polignac number, because 87451567 - 2⁷ = 87451439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87451517) 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 7 ways as a sum of consecutive naturals, for example, 13768 + ... + 19090.

It is an arithmetic number, because the mean of its divisors is an integer number (12500752).

Almost surely, 2^87451567 is an apocalyptic number.

87451567 is a deficient number, since it is larger than the sum of its proper divisors (12554449).

87451567 is a wasteful number, since it uses less digits than its factorization.

87451567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677.

The product of its digits is 235200, while the sum is 43.

The square root of 87451567 is about 9351.5542558443. The cubic root of 87451567 is about 443.8700736495.

It can be divided in two parts, 874 and 51567, that added together give a square (52441 = 229²).

The spelling of 87451567 in words is "eighty-seven million, four hundred fifty-one thousand, five hundred sixty-seven".