82087345 has 16 divisors (see below), whose sum is σ = 103036032. Its totient is φ = 62663040.

The previous prime is 82087337. The next prime is 82087363. The reversal of 82087345 is 54378028.

It is not a de Polignac number, because 82087345 - 2³ = 82087337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78949 + ... + 79981.

It is an arithmetic number, because the mean of its divisors is an integer number (6439752).

Almost surely, 2^82087345 is an apocalyptic number.

It is an amenable number.

82087345 is a deficient number, since it is larger than the sum of its proper divisors (20948687).

82087345 is a wasteful number, since it uses less digits than its factorization.

82087345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 82087345 is about 9060.2066753469. The cubic root of 82087345 is about 434.6023494226.

The spelling of 82087345 in words is "eighty-two million, eighty-seven thousand, three hundred forty-five".