830242791 has 56 divisors (see below), whose sum is σ = 1497672320. Its totient is φ = 449402256.

The previous prime is 830242789. The next prime is 830242793. The reversal of 830242791 is 197242038.

It is an interprime number because it is at equal distance from previous prime (830242789) and next prime (830242793).

It is not a de Polignac number, because 830242791 - 2¹ = 830242789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830242793) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 92676 + ... + 101238.

Almost surely, 2^830242791 is an apocalyptic number.

830242791 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

830242791 is a deficient number, since it is larger than the sum of its proper divisors (667429529).

830242791 is an equidigital number, since it uses as much as digits as its factorization.

830242791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 830242791 is about 28813.9339729930. The cubic root of 830242791 is about 939.8712631152.

The spelling of 830242791 in words is "eight hundred thirty million, two hundred forty-two thousand, seven hundred ninety-one".