82313685 has 32 divisors (see below), whose sum is σ = 149460480. Its totient is φ = 42963264.

The previous prime is 82313683. The next prime is 82313723. The reversal of 82313685 is 58631328.

It is not a de Polignac number, because 82313685 - 2¹ = 82313683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82313683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (4670640).

Almost surely, 2^82313685 is an apocalyptic number.

It is an amenable number.

82313685 is a deficient number, since it is larger than the sum of its proper divisors (67146795).

82313685 is a wasteful number, since it uses less digits than its factorization.

82313685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034 (or 13028 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82313685 is about 9072.6889619341. The cubic root of 82313685 is about 435.0014268681.

The spelling of 82313685 in words is "eighty-two million, three hundred thirteen thousand, six hundred eighty-five".