798391151 has 2 divisors, whose sum is σ = 798391152. Its totient is φ = 798391150.

The previous prime is 798391147. The next prime is 798391169. The reversal of 798391151 is 151193897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 798391151 - 2² = 798391147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798391171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399195575 + 399195576.

It is an arithmetic number, because the mean of its divisors is an integer number (399195576).

Almost surely, 2^798391151 is an apocalyptic number.

798391151 is a deficient number, since it is larger than the sum of its proper divisors (1).

798391151 is an equidigital number, since it uses as much as digits as its factorization.

798391151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 44.

The square root of 798391151 is about 28255.8162331227. The cubic root of 798391151 is about 927.6950477977.

The spelling of 798391151 in words is "seven hundred ninety-eight million, three hundred ninety-one thousand, one hundred fifty-one".