82687465 has 16 divisors (see below), whose sum is σ = 114956928. Its totient is φ = 55921536.

The previous prime is 82687459. The next prime is 82687469. The reversal of 82687465 is 56478628.

It is a cyclic number.

It is not a de Polignac number, because 82687465 - 2³ = 82687457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82687469) 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, 13627 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (7184808).

Almost surely, 2^82687465 is an apocalyptic number.

It is an amenable number.

82687465 is a deficient number, since it is larger than the sum of its proper divisors (32269463).

82687465 is a wasteful number, since it uses less digits than its factorization.

82687465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32448.

The product of its digits is 645120, while the sum is 46.

The square root of 82687465 is about 9093.2648152355. The cubic root of 82687465 is about 435.6588685486.

The spelling of 82687465 in words is "eighty-two million, six hundred eighty-seven thousand, four hundred sixty-five".