82619047 has 12 divisors (see below), whose sum is σ = 96551616. Its totient is φ = 70489440.

The previous prime is 82619041. The next prime is 82619077. The reversal of 82619047 is 74091628.

It is not a de Polignac number, because 82619047 - 2¹¹ = 82616999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82618997 and 82619015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82619041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7147 + ... + 14707.

It is an arithmetic number, because the mean of its divisors is an integer number (8045968).

Almost surely, 2^82619047 is an apocalyptic number.

82619047 is a deficient number, since it is larger than the sum of its proper divisors (13932569).

82619047 is a wasteful number, since it uses less digits than its factorization.

82619047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798 (or 7791 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82619047 is about 9089.5020215631. The cubic root of 82619047 is about 435.5386764765.

The spelling of 82619047 in words is "eighty-two million, six hundred nineteen thousand, forty-seven".