82206197447 has 16 divisors (see below), whose sum is σ = 90592984224. Its totient is φ = 73972080000.

The previous prime is 82206197417. The next prime is 82206197461. The reversal of 82206197447 is 74479160228.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82206197447 - 2³⁶ = 13486720711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82206197395 and 82206197404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82206197417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5010197 + ... + 5026577.

It is an arithmetic number, because the mean of its divisors is an integer number (5662061514).

Almost surely, 2^82206197447 is an apocalyptic number.

82206197447 is a deficient number, since it is larger than the sum of its proper divisors (8386786777).

82206197447 is a wasteful number, since it uses less digits than its factorization.

82206197447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 82206197447 in words is "eighty-two billion, two hundred six million, one hundred ninety-seven thousand, four hundred forty-seven".