82077210204 has 48 divisors (see below), whose sum is σ = 212464909440. Its totient is φ = 24450322240.

The previous prime is 82077210199. The next prime is 82077210311. The reversal of 82077210204 is 40201277028.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 5261679 + ... + 5277254.

It is an arithmetic number, because the mean of its divisors is an integer number (4426352280).

Almost surely, 2^82077210204 is an apocalyptic number.

It is an amenable number.

82077210204 is an abundant number, since it is smaller than the sum of its proper divisors (130387699236).

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

82077210204 is a wasteful number, since it uses less digits than its factorization.

82077210204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539010 (or 10539008 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The spelling of 82077210204 in words is "eighty-two billion, seventy-seven million, two hundred ten thousand, two hundred four".