798049687 has 2 divisors, whose sum is σ = 798049688. Its totient is φ = 798049686.

The previous prime is 798049669. The next prime is 798049741. The reversal of 798049687 is 786940897.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 798049687 - 2²³ = 789661079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798049387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399024843 + 399024844.

It is an arithmetic number, because the mean of its divisors is an integer number (399024844).

Almost surely, 2^798049687 is an apocalyptic number.

798049687 is a deficient number, since it is larger than the sum of its proper divisors (1).

798049687 is an equidigital number, since it uses as much as digits as its factorization.

798049687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 798049687 is about 28249.7732203287. The cubic root of 798049687 is about 927.5627736058.

The spelling of 798049687 in words is "seven hundred ninety-eight million, forty-nine thousand, six hundred eighty-seven".