82087423 has 16 divisors (see below), whose sum is σ = 92695680. Its totient is φ = 72036000.

The previous prime is 82087417. The next prime is 82087451. The reversal of 82087423 is 32478028.

It is a cyclic number.

It is not a de Polignac number, because 82087423 - 2²¹ = 79990271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82087403) 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 in 15 ways as a sum of consecutive naturals, for example, 55848 + ... + 57298.

It is an arithmetic number, because the mean of its divisors is an integer number (5793480).

Almost surely, 2^82087423 is an apocalyptic number.

82087423 is a deficient number, since it is larger than the sum of its proper divisors (10608257).

82087423 is a wasteful number, since it uses less digits than its factorization.

82087423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 82087423 is about 9060.2109798834. The cubic root of 82087423 is about 434.6024870767.

The spelling of 82087423 in words is "eighty-two million, eighty-seven thousand, four hundred twenty-three".