780068853 has 16 divisors (see below), whose sum is σ = 1156243200. Its totient is φ = 519782400.

The previous prime is 780068833. The next prime is 780068867. The reversal of 780068853 is 358860087.

It is not a de Polignac number, because 780068853 - 2¹⁰ = 780067829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 780068799 and 780068808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780068833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57333 + ... + 69621.

It is an arithmetic number, because the mean of its divisors is an integer number (72265200).

Almost surely, 2^780068853 is an apocalyptic number.

It is an amenable number.

780068853 is a deficient number, since it is larger than the sum of its proper divisors (376174347).

780068853 is a wasteful number, since it uses less digits than its factorization.

780068853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14649 (or 14643 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 780068853 is about 27929.7127267718. The cubic root of 780068853 is about 920.5434930599.

The spelling of 780068853 in words is "seven hundred eighty million, sixty-eight thousand, eight hundred fifty-three".