803688427 has 2 divisors, whose sum is σ = 803688428. Its totient is φ = 803688426.

The previous prime is 803688421. The next prime is 803688439. The reversal of 803688427 is 724886308.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803688427 is a prime.

It is not a weakly prime, because it can be changed into another prime (803688421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401844213 + 401844214.

It is an arithmetic number, because the mean of its divisors is an integer number (401844214).

Almost surely, 2^803688427 is an apocalyptic number.

803688427 is a deficient number, since it is larger than the sum of its proper divisors (1).

803688427 is an equidigital number, since it uses as much as digits as its factorization.

803688427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 803688427 is about 28349.3990588866. The cubic root of 803688427 is about 929.7422598672.

The spelling of 803688427 in words is "eight hundred three million, six hundred eighty-eight thousand, four hundred twenty-seven".