780860258055 has 48 divisors (see below), whose sum is σ = 1432725259680. Its totient is φ = 392747007744.

The previous prime is 780860258053. The next prime is 780860258071. The reversal of 780860258055 is 550852068087.

It is a happy number.

780860258055 is a `hidden beast` number, since 7 + 8 + 0 + 8 + 6 + 0 + 2 + 580 + 55 = 666.

It is not a de Polignac number, because 780860258055 - 2¹ = 780860258053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 780860257992 and 780860258010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780860258051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6901564 + ... + 7013793.

It is an arithmetic number, because the mean of its divisors is an integer number (29848442910).

Almost surely, 2^780860258055 is an apocalyptic number.

780860258055 is a deficient number, since it is larger than the sum of its proper divisors (651865001625).

780860258055 is a wasteful number, since it uses less digits than its factorization.

780860258055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13915440 (or 13915437 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 780860258055 in words is "seven hundred eighty billion, eight hundred sixty million, two hundred fifty-eight thousand, fifty-five".