87248087 has 4 divisors (see below), whose sum is σ = 87315456. Its totient is φ = 87180720.

The previous prime is 87248071. The next prime is 87248089. The reversal of 87248087 is 78084278.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78084278 = 2 ⋅39042139.

It is a cyclic number.

It is not a de Polignac number, because 87248087 - 2⁴ = 87248071 is a prime.

It is a super-2 number, since 2×87248087² = 15224457370319138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87248089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31703 + ... + 34344.

It is an arithmetic number, because the mean of its divisors is an integer number (21828864).

Almost surely, 2^87248087 is an apocalyptic number.

87248087 is a deficient number, since it is larger than the sum of its proper divisors (67369).

87248087 is a wasteful number, since it uses less digits than its factorization.

87248087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67368.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 87248087 is about 9340.6684450311. The cubic root of 87248087 is about 443.5255445699.

The spelling of 87248087 in words is "eighty-seven million, two hundred forty-eight thousand, eighty-seven".