791296787 has 2 divisors, whose sum is σ = 791296788. Its totient is φ = 791296786.

The previous prime is 791296783. The next prime is 791296801. The reversal of 791296787 is 787692197.

It is a weak prime.

It is an emirp because it is prime and its reverse (787692197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791296787 - 2² = 791296783 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (791296783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395648393 + 395648394.

It is an arithmetic number, because the mean of its divisors is an integer number (395648394).

Almost surely, 2^791296787 is an apocalyptic number.

791296787 is a deficient number, since it is larger than the sum of its proper divisors (1).

791296787 is an equidigital number, since it uses as much as digits as its factorization.

791296787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 56.

The square root of 791296787 is about 28129.9979914681. The cubic root of 791296787 is about 924.9390900238.

The spelling of 791296787 in words is "seven hundred ninety-one million, two hundred ninety-six thousand, seven hundred eighty-seven".