82604709280 has 48 divisors (see below), whose sum is σ = 197826990984. Its totient is φ = 32589250560.

The previous prime is 82604709259. The next prime is 82604709281. The reversal of 82604709280 is 8290740628.

It can be written as a sum of positive squares in 4 ways, for example, as 67170125584 + 15434583696 = 259172^2 + 124236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82604709280.

It is not an unprimeable number, because it can be changed into a prime (82604709281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524481 + ... + 3547840.

Almost surely, 2^82604709280 is an apocalyptic number.

82604709280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82604709280 is an abundant number, since it is smaller than the sum of its proper divisors (115222281704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82604709280 is a wasteful number, since it uses less digits than its factorization.

82604709280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072409 (or 7072401 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 82604709280 in words is "eighty-two billion, six hundred four million, seven hundred nine thousand, two hundred eighty".