82583055780 has 48 divisors (see below), whose sum is σ = 243402694080. Its totient is φ = 20863087488.

The previous prime is 82583055769. The next prime is 82583055803. The reversal of 82583055780 is 8755038528.

It is a happy number.

It is a super-2 number, since 2×82583055780² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36219499 + ... + 36221778.

It is an arithmetic number, because the mean of its divisors is an integer number (5070889460).

Almost surely, 2^82583055780 is an apocalyptic number.

It is an amenable number.

82583055780 is an abundant number, since it is smaller than the sum of its proper divisors (160819638300).

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

82583055780 is a wasteful number, since it uses less digits than its factorization.

82583055780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72441308 (or 72441306 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 82583055780 in words is "eighty-two billion, five hundred eighty-three million, fifty-five thousand, seven hundred eighty".