82819043999 has 16 divisors (see below), whose sum is σ = 84302618400. Its totient is φ = 81351319680.

The previous prime is 82819043959. The next prime is 82819044001. The reversal of 82819043999 is 99934091828.

It is a cyclic number.

It is not a de Polignac number, because 82819043999 - 2²⁴ = 82802266783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82819043959) 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, 6752957 + ... + 6765209.

It is an arithmetic number, because the mean of its divisors is an integer number (5268913650).

Almost surely, 2^82819043999 is an apocalyptic number.

82819043999 is a deficient number, since it is larger than the sum of its proper divisors (1483574401).

82819043999 is a wasteful number, since it uses less digits than its factorization.

82819043999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 82819043999 in words is "eighty-two billion, eight hundred nineteen million, forty-three thousand, nine hundred ninety-nine".