82819055089 has 3 divisors (see below), whose sum is σ = 82819342873. Its totient is φ = 82818767306.

The previous prime is 82819055003. The next prime is 82819055147. The reversal of 82819055089 is 98055091828.

It is a happy number.

The square root of 82819055089 is 287783.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 82819055089 - 2¹¹ = 82819053041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82819055689) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 143892 + ... + 431674.

Almost surely, 2^82819055089 is an apocalyptic number.

82819055089 is the 287783-rd square number.

82819055089 is the 143892-nd centered octagonal number.

It is an amenable number.

82819055089 is a deficient number, since it is larger than the sum of its proper divisors (287784).

82819055089 is an frugal number, since it uses more digits than its factorization.

82819055089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575566 (or 287783 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 55.

The spelling of 82819055089 in words is "eighty-two billion, eight hundred nineteen million, fifty-five thousand, eighty-nine".