87087023 has 4 divisors (see below), whose sum is σ = 87543168. Its totient is φ = 86630880.

The previous prime is 87087019. The next prime is 87087041. The reversal of 87087023 is 32078078.

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: 32078078 = 2 ⋅16039039.

It is a cyclic number.

It is not a de Polignac number, because 87087023 - 2² = 87087019 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 (87087043) 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, 227786 + ... + 228167.

It is an arithmetic number, because the mean of its divisors is an integer number (21885792).

Almost surely, 2^87087023 is an apocalyptic number.

87087023 is a deficient number, since it is larger than the sum of its proper divisors (456145).

87087023 is a wasteful number, since it uses less digits than its factorization.

87087023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456144.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 87087023 is about 9332.0428095889. The cubic root of 87087023 is about 443.2524535718.

The spelling of 87087023 in words is "eighty-seven million, eighty-seven thousand, twenty-three".