7780122028216 has 32 divisors (see below), whose sum is σ = 14813765222400. Its totient is φ = 3829937046880.

The previous prime is 7780122028213. The next prime is 7780122028223. The reversal of 7780122028216 is 6128202210877.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7780122028213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9116920 + ... + 9933703.

It is an arithmetic number, because the mean of its divisors is an integer number (462930163200).

Almost surely, 2^{7780122028216} is an apocalyptic number.

It is an amenable number.

7780122028216 is a deficient number, since it is larger than the sum of its proper divisors (7033643194184).

7780122028216 is a wasteful number, since it uses less digits than its factorization.

7780122028216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19051419 (or 19051415 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 7780122028216 in words is "seven trillion, seven hundred eighty billion, one hundred twenty-two million, twenty-eight thousand, two hundred sixteen".