87054623 has 2 divisors, whose sum is σ = 87054624. Its totient is φ = 87054622.

The previous prime is 87054619. The next prime is 87054631. The reversal of 87054623 is 32645078.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87054623 - 2² = 87054619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87054613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43527311 + 43527312.

It is an arithmetic number, because the mean of its divisors is an integer number (43527312).

Almost surely, 2^87054623 is an apocalyptic number.

87054623 is a deficient number, since it is larger than the sum of its proper divisors (1).

87054623 is an equidigital number, since it uses as much as digits as its factorization.

87054623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 87054623 is about 9330.3066937802. The cubic root of 87054623 is about 443.1974772949.

The spelling of 87054623 in words is "eighty-seven million, fifty-four thousand, six hundred twenty-three".