780858503963 has 2 divisors, whose sum is σ = 780858503964. Its totient is φ = 780858503962.

The previous prime is 780858503921. The next prime is 780858503977. The reversal of 780858503963 is 369305858087.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 780858503963 - 2²⁴ = 780841726747 is a prime.

It is a super-2 number, since 2×780858503963² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 780858503896 and 780858503905.

It is not a weakly prime, because it can be changed into another prime (780858500963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390429251981 + 390429251982.

It is an arithmetic number, because the mean of its divisors is an integer number (390429251982).

Almost surely, 2^780858503963 is an apocalyptic number.

780858503963 is a deficient number, since it is larger than the sum of its proper divisors (1).

780858503963 is an equidigital number, since it uses as much as digits as its factorization.

780858503963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 62.

It can be divided in two parts, 780858 and 503963, that added together give a palindrome (1284821).

The spelling of 780858503963 in words is "seven hundred eighty billion, eight hundred fifty-eight million, five hundred three thousand, nine hundred sixty-three".