87258527 has 4 divisors (see below), whose sum is σ = 91052400. Its totient is φ = 83464656.

The previous prime is 87258499. The next prime is 87258529. The reversal of 87258527 is 72585278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72585278 = 2 ⋅36292639.

It is a cyclic number.

It is not a de Polignac number, because 87258527 - 2¹⁰ = 87257503 is a prime.

It is a super-2 number, since 2×87258527² = 15228101068419458, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87258529) 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, 1896902 + ... + 1896947.

It is an arithmetic number, because the mean of its divisors is an integer number (22763100).

Almost surely, 2^87258527 is an apocalyptic number.

87258527 is a deficient number, since it is larger than the sum of its proper divisors (3793873).

87258527 is a wasteful number, since it uses less digits than its factorization.

87258527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793872.

The product of its digits is 313600, while the sum is 44.

The square root of 87258527 is about 9341.2272748285. The cubic root of 87258527 is about 443.5432344401.

The spelling of 87258527 in words is "eighty-seven million, two hundred fifty-eight thousand, five hundred twenty-seven".