82671333247880 has 128 divisors (see below), whose sum is σ = 212124756614400. Its totient is φ = 28745067912192.

The previous prime is 82671333247837. The next prime is 82671333247939. The reversal of 82671333247880 is 8874233317628.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23402567 + ... + 26702486.

It is an arithmetic number, because the mean of its divisors is an integer number (1657224661050).

Almost surely, 2^{82671333247880} is an apocalyptic number.

It is an amenable number.

82671333247880 is an abundant number, since it is smaller than the sum of its proper divisors (129453423366520).

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

82671333247880 is a wasteful number, since it uses less digits than its factorization.

82671333247880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50105263 (or 50105259 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 82671333247880 in words is "eighty-two trillion, six hundred seventy-one billion, three hundred thirty-three million, two hundred forty-seven thousand, eight hundred eighty".