82908147 has 18 divisors (see below), whose sum is σ = 128763684. Its totient is φ = 47313000.

The previous prime is 82908143. The next prime is 82908149. The reversal of 82908147 is 74180928.

It is not a de Polignac number, because 82908147 - 2² = 82908143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82908143) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 110022 + ... + 110772.

It is an arithmetic number, because the mean of its divisors is an integer number (7153538).

Almost surely, 2^82908147 is an apocalyptic number.

82908147 is a deficient number, since it is larger than the sum of its proper divisors (45855537).

82908147 is an frugal number, since it uses more digits than its factorization.

82908147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 82908147 is about 9105.3910953896. The cubic root of 82908147 is about 436.0460963944.

The spelling of 82908147 in words is "eighty-two million, nine hundred eight thousand, one hundred forty-seven".