676064655871 has 16 divisors (see below), whose sum is σ = 777736114560. Its totient is φ = 581211197280.

The previous prime is 676064655863. The next prime is 676064655883. The reversal of 676064655871 is 178556460676.

It is a cyclic number.

It is not a de Polignac number, because 676064655871 - 2³ = 676064655863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676064655841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2787321 + ... + 3020146.

It is an arithmetic number, because the mean of its divisors is an integer number (48608507160).

Almost surely, 2^676064655871 is an apocalyptic number.

676064655871 is a deficient number, since it is larger than the sum of its proper divisors (101671458689).

676064655871 is a wasteful number, since it uses less digits than its factorization.

676064655871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808054.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 676064655871 in words is "six hundred seventy-six billion, sixty-four million, six hundred fifty-five thousand, eight hundred seventy-one".