780850481 has 2 divisors, whose sum is σ = 780850482. Its totient is φ = 780850480.

The previous prime is 780850439. The next prime is 780850513. The reversal of 780850481 is 184058087.

780850481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762864400 + 17986081 = 27620^2 + 4241^2 .

It is an emirp because it is prime and its reverse (184058087) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-780850481 is a prime.

It is a super-2 number, since 2×780850481² = 1219454947355862722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (780850381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390425240 + 390425241.

It is an arithmetic number, because the mean of its divisors is an integer number (390425241).

Almost surely, 2^780850481 is an apocalyptic number.

It is an amenable number.

780850481 is a deficient number, since it is larger than the sum of its proper divisors (1).

780850481 is an equidigital number, since it uses as much as digits as its factorization.

780850481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 780850481 is about 27943.7019916832. The cubic root of 780850481 is about 920.8508515621.

The spelling of 780850481 in words is "seven hundred eighty million, eight hundred fifty thousand, four hundred eighty-one".