82133101780 has 48 divisors (see below), whose sum is σ = 173696128704. Its totient is φ = 32621875200.

The previous prime is 82133101693. The next prime is 82133101781. The reversal of 82133101780 is 8710133128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82133101781) 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 15 ways as a sum of consecutive naturals, for example, 3747855 + ... + 3769705.

It is an arithmetic number, because the mean of its divisors is an integer number (3618669348).

Almost surely, 2^82133101780 is an apocalyptic number.

It is an amenable number.

82133101780 is an abundant number, since it is smaller than the sum of its proper divisors (91563026924).

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

82133101780 is a wasteful number, since it uses less digits than its factorization.

82133101780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176 (or 23174 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 82133101780 in words is "eighty-two billion, one hundred thirty-three million, one hundred one thousand, seven hundred eighty".