784327601 has 2 divisors, whose sum is σ = 784327602. Its totient is φ = 784327600.

The previous prime is 784327597. The next prime is 784327613. The reversal of 784327601 is 106723487.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421234576 + 363093025 = 20524^2 + 19055^2 .

It is a cyclic number.

It is not a de Polignac number, because 784327601 - 2² = 784327597 is a prime.

It is not a weakly prime, because it can be changed into another prime (784320601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392163800 + 392163801.

It is an arithmetic number, because the mean of its divisors is an integer number (392163801).

Almost surely, 2^784327601 is an apocalyptic number.

It is an amenable number.

784327601 is a deficient number, since it is larger than the sum of its proper divisors (1).

784327601 is an equidigital number, since it uses as much as digits as its factorization.

784327601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 784327601 is about 28005.8494068650. The cubic root of 784327601 is about 922.2156745012.

The spelling of 784327601 in words is "seven hundred eighty-four million, three hundred twenty-seven thousand, six hundred one".