87488887 has 4 divisors (see below), whose sum is σ = 87947136. Its totient is φ = 87030640.

The previous prime is 87488879. The next prime is 87488893. The reversal of 87488887 is 78888478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78888478 = 2 ⋅39444239.

It is a cyclic number.

It is not a de Polignac number, because 87488887 - 2³ = 87488879 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 (87488587) 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, 228838 + ... + 229219.

It is an arithmetic number, because the mean of its divisors is an integer number (21986784).

Almost surely, 2^87488887 is an apocalyptic number.

87488887 is a deficient number, since it is larger than the sum of its proper divisors (458249).

87488887 is a wasteful number, since it uses less digits than its factorization.

87488887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458248.

The product of its digits is 6422528, while the sum is 58.

The square root of 87488887 is about 9353.5494332366. The cubic root of 87488887 is about 443.9332052619.

The spelling of 87488887 in words is "eighty-seven million, four hundred eighty-eight thousand, eight hundred eighty-seven".