82469799999 has 48 divisors (see below), whose sum is σ = 128079544320. Its totient is φ = 52972872480.

The previous prime is 82469799989. The next prime is 82469800031. The reversal of 82469799999 is 99999796428.

It is a happy number.

82469799999 is a `hidden beast` number, since 82 + 469 + 79 + 9 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 82469799999 - 2⁴ = 82469799983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82469799989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1701154 + ... + 1748960.

It is an arithmetic number, because the mean of its divisors is an integer number (2668323840).

Almost surely, 2^82469799999 is an apocalyptic number.

82469799999 is a deficient number, since it is larger than the sum of its proper divisors (45609744321).

82469799999 is a wasteful number, since it uses less digits than its factorization.

82469799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48082 (or 48070 counting only the distinct ones).

The product of its digits is 1428513408, while the sum is 81.

The spelling of 82469799999 in words is "eighty-two billion, four hundred sixty-nine million, seven hundred ninety-nine thousand, nine hundred ninety-nine".