87156103 has 2 divisors, whose sum is σ = 87156104. Its totient is φ = 87156102.

The previous prime is 87156067. The next prime is 87156137. The reversal of 87156103 is 30165178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87156103 - 2⁹ = 87155591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87156403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43578051 + 43578052.

It is an arithmetic number, because the mean of its divisors is an integer number (43578052).

Almost surely, 2^87156103 is an apocalyptic number.

87156103 is a deficient number, since it is larger than the sum of its proper divisors (1).

87156103 is an equidigital number, since it uses as much as digits as its factorization.

87156103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 87156103 is about 9335.7433019551. The cubic root of 87156103 is about 443.3696229111.

The spelling of 87156103 in words is "eighty-seven million, one hundred fifty-six thousand, one hundred three".