82908712 has 16 divisors (see below), whose sum is σ = 159655860. Its totient is φ = 40333824.

The previous prime is 82908703. The next prime is 82908719. The reversal of 82908712 is 21780928.

It can be written as a sum of positive squares in 2 ways, for example, as 57244356 + 25664356 = 7566^2 + 5066^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (82908719) 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 3 ways as a sum of consecutive naturals, for example, 139753 + ... + 140344.

Almost surely, 2^82908712 is an apocalyptic number.

It is an amenable number.

82908712 is a deficient number, since it is larger than the sum of its proper divisors (76747148).

82908712 is a wasteful number, since it uses less digits than its factorization.

82908712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280140 (or 280136 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 82908712 is about 9105.4221209124. The cubic root of 82908712 is about 436.0470869102.

The spelling of 82908712 in words is "eighty-two million, nine hundred eight thousand, seven hundred twelve".