82807465 has 36 divisors (see below), whose sum is σ = 112239756. Its totient is φ = 58601088.

The previous prime is 82807463. The next prime is 82807471. The reversal of 82807465 is 56470828.

It can be written as a sum of positive squares in 6 ways, for example, as 9585216 + 73222249 = 3096^2 + 8557^2 .

It is not a de Polignac number, because 82807465 - 2¹ = 82807463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82807463) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1562379 + ... + 1562431.

It is an arithmetic number, because the mean of its divisors is an integer number (3117771).

Almost surely, 2^82807465 is an apocalyptic number.

It is an amenable number.

82807465 is a deficient number, since it is larger than the sum of its proper divisors (29432291).

82807465 is a wasteful number, since it uses less digits than its factorization.

82807465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 82807465 is about 9099.8607132197. The cubic root of 82807465 is about 435.8695163360.

The spelling of 82807465 in words is "eighty-two million, eight hundred seven thousand, four hundred sixty-five".