82667678661008 has 40 divisors (see below), whose sum is σ = 183092699674368. Its totient is φ = 35420713569792.

The previous prime is 82667678660999. The next prime is 82667678661049. The reversal of 82667678661008 is 80016687676628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85889816 + ... + 86846967.

Almost surely, 2^{82667678661008} is an apocalyptic number.

It is an amenable number.

82667678661008 is an abundant number, since it is smaller than the sum of its proper divisors (100425021013360).

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

82667678661008 is a wasteful number, since it uses less digits than its factorization.

82667678661008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172741071 (or 172741065 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 82667678661008 in words is "eighty-two trillion, six hundred sixty-seven billion, six hundred seventy-eight million, six hundred sixty-one thousand, eight".