785838797 has 2 divisors, whose sum is σ = 785838798. Its totient is φ = 785838796.

The previous prime is 785838743. The next prime is 785838799. The reversal of 785838797 is 797838587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 754545961 + 31292836 = 27469^2 + 5594^2 .

It is a cyclic number.

It is not a de Polignac number, because 785838797 - 2⁶ = 785838733 is a prime.

It is a super-2 number, since 2×785838797² = 1235085229740814418, which contains 22 as substring.

Together with 785838799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785838799) 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, 392919398 + 392919399.

It is an arithmetic number, because the mean of its divisors is an integer number (392919399).

Almost surely, 2^785838797 is an apocalyptic number.

It is an amenable number.

785838797 is a deficient number, since it is larger than the sum of its proper divisors (1).

785838797 is an equidigital number, since it uses as much as digits as its factorization.

785838797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23708160, while the sum is 62.

The square root of 785838797 is about 28032.8164300343. The cubic root of 785838797 is about 922.8075847043.

The spelling of 785838797 in words is "seven hundred eighty-five million, eight hundred thirty-eight thousand, seven hundred ninety-seven".