78530550203106 has 48 divisors (see below), whose sum is σ = 171124541687736. Its totient is φ = 26027260236288.

The previous prime is 78530550203089. The next prime is 78530550203141. The reversal of 78530550203106 is 60130205503587.

78530550203106 is a `hidden beast` number, since 7 + 8 + 5 + 30 + 5 + 502 + 0 + 3 + 106 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67541424652881 + 10989125550225 = 8218359^2 + 3314985^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14910505 + ... + 19477788.

Almost surely, 2^{78530550203106} is an apocalyptic number.

78530550203106 is an abundant number, since it is smaller than the sum of its proper divisors (92593991484630).

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

78530550203106 is a wasteful number, since it uses less digits than its factorization.

78530550203106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34389027 (or 34389024 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 78530550203106 in words is "seventy-eight trillion, five hundred thirty billion, five hundred fifty million, two hundred three thousand, one hundred six".