87393127 has 2 divisors, whose sum is σ = 87393128. Its totient is φ = 87393126.

The previous prime is 87393121. The next prime is 87393139. The reversal of 87393127 is 72139378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87393127 - 2¹⁹ = 86868839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87393127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87393121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43696563 + 43696564.

It is an arithmetic number, because the mean of its divisors is an integer number (43696564).

Almost surely, 2^87393127 is an apocalyptic number.

87393127 is a deficient number, since it is larger than the sum of its proper divisors (1).

87393127 is an equidigital number, since it uses as much as digits as its factorization.

87393127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 87393127 is about 9348.4291193762. The cubic root of 87393127 is about 443.7711787287.

The spelling of 87393127 in words is "eighty-seven million, three hundred ninety-three thousand, one hundred twenty-seven".