783338947 has 2 divisors, whose sum is σ = 783338948. Its totient is φ = 783338946.

The previous prime is 783338911. The next prime is 783338987. The reversal of 783338947 is 749833387.

It is a weak prime.

It is an emirp because it is prime and its reverse (749833387) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 783338947 - 2⁷ = 783338819 is a prime.

It is a super-2 number, since 2×783338947² = 1227239811774137618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 783338894 and 783338903.

It is not a weakly prime, because it can be changed into another prime (783338987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391669473 + 391669474.

It is an arithmetic number, because the mean of its divisors is an integer number (391669474).

Almost surely, 2^783338947 is an apocalyptic number.

783338947 is a deficient number, since it is larger than the sum of its proper divisors (1).

783338947 is an equidigital number, since it uses as much as digits as its factorization.

783338947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 52.

The square root of 783338947 is about 27988.1929927604. The cubic root of 783338947 is about 921.8280237397.

The spelling of 783338947 in words is "seven hundred eighty-three million, three hundred thirty-eight thousand, nine hundred forty-seven".