87000923903 has 2 divisors, whose sum is σ = 87000923904. Its totient is φ = 87000923902.

The previous prime is 87000923897. The next prime is 87000923959. The reversal of 87000923903 is 30932900078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87000923903 - 2⁴ = 87000923887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87000923203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43500461951 + 43500461952.

It is an arithmetic number, because the mean of its divisors is an integer number (43500461952).

Almost surely, 2^87000923903 is an apocalyptic number.

87000923903 is a deficient number, since it is larger than the sum of its proper divisors (1).

87000923903 is an equidigital number, since it uses as much as digits as its factorization.

87000923903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 87000923903 in words is "eighty-seven billion, nine hundred twenty-three thousand, nine hundred three".