82023947 has 8 divisors (see below), whose sum is σ = 83466240. Its totient is φ = 80594280.

The previous prime is 82023943. The next prime is 82023959. The reversal of 82023947 is 74932028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82023947 - 2² = 82023943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82023941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454 + ... + 16532.

It is an arithmetic number, because the mean of its divisors is an integer number (10433280).

Almost surely, 2^82023947 is an apocalyptic number.

82023947 is a deficient number, since it is larger than the sum of its proper divisors (1442293).

82023947 is a wasteful number, since it uses less digits than its factorization.

82023947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 82023947 is about 9056.7072934925. The cubic root of 82023947 is about 434.4904360452.

The spelling of 82023947 in words is "eighty-two million, twenty-three thousand, nine hundred forty-seven".