791406827 has 2 divisors, whose sum is σ = 791406828. Its totient is φ = 791406826.

The previous prime is 791406809. The next prime is 791406841. The reversal of 791406827 is 728604197.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791406827 is a prime.

It is not a weakly prime, because it can be changed into another prime (791406527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395703413 + 395703414.

It is an arithmetic number, because the mean of its divisors is an integer number (395703414).

Almost surely, 2^791406827 is an apocalyptic number.

791406827 is a deficient number, since it is larger than the sum of its proper divisors (1).

791406827 is an equidigital number, since it uses as much as digits as its factorization.

791406827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 791406827 is about 28131.9538425613. The cubic root of 791406827 is about 924.9819629305.

The spelling of 791406827 in words is "seven hundred ninety-one million, four hundred six thousand, eight hundred twenty-seven".