87585710623 has 2 divisors, whose sum is σ = 87585710624. Its totient is φ = 87585710622.

The previous prime is 87585710603. The next prime is 87585710627. The reversal of 87585710623 is 32601758578.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87585710623 - 2⁹ = 87585710111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87585710627) 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 as a sum of consecutive naturals, namely, 43792855311 + 43792855312.

It is an arithmetic number, because the mean of its divisors is an integer number (43792855312).

Almost surely, 2^87585710623 is an apocalyptic number.

87585710623 is a deficient number, since it is larger than the sum of its proper divisors (1).

87585710623 is an equidigital number, since it uses as much as digits as its factorization.

87585710623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 87585710623 in words is "eighty-seven billion, five hundred eighty-five million, seven hundred ten thousand, six hundred twenty-three".