78533470774608 has 80 divisors (see below), whose sum is σ = 207615454903296. Its totient is φ = 25566668991360.

The previous prime is 78533470774597. The next prime is 78533470774667. The reversal of 78533470774608 is 80647707433587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20598691 + ... + 24111677.

Almost surely, 2^{78533470774608} is an apocalyptic number.

It is an amenable number.

78533470774608 is an abundant number, since it is smaller than the sum of its proper divisors (129081984128688).

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

78533470774608 is a wasteful number, since it uses less digits than its factorization.

78533470774608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523872 (or 3523866 counting only the distinct ones).

The product of its (nonzero) digits is 663828480, while the sum is 69.

The spelling of 78533470774608 in words is "seventy-eight trillion, five hundred thirty-three billion, four hundred seventy million, seven hundred seventy-four thousand, six hundred eight".