82622947 has 8 divisors (see below), whose sum is σ = 90200880. Its totient is φ = 75056160.

The previous prime is 82622929. The next prime is 82622957. The reversal of 82622947 is 74922628.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82622947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82622927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23773 + ... + 27025.

It is an arithmetic number, because the mean of its divisors is an integer number (11275110).

Almost surely, 2^82622947 is an apocalyptic number.

82622947 is a deficient number, since it is larger than the sum of its proper divisors (7577933).

82622947 is a wasteful number, since it uses less digits than its factorization.

82622947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573.

The product of its digits is 96768, while the sum is 40.

The square root of 82622947 is about 9089.7165522364. The cubic root of 82622947 is about 435.5455295133.

The spelling of 82622947 in words is "eighty-two million, six hundred twenty-two thousand, nine hundred forty-seven".