768829797 has 6 divisors (see below), whose sum is σ = 1110531942. Its totient is φ = 512553192.

The previous prime is 768829783. The next prime is 768829799. The reversal of 768829797 is 797928867.

It can be written as a sum of positive squares in only one way, i.e., 384708996 + 384120801 = 19614^2 + 19599^2 .

It is not a de Polignac number, because 768829797 - 2⁷ = 768829669 is a prime.

It is a super-2 number, since 2×768829797² = 1182198513510122418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768829799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42712758 + ... + 42712775.

It is an arithmetic number, because the mean of its divisors is an integer number (185088657).

Almost surely, 2^768829797 is an apocalyptic number.

It is an amenable number.

768829797 is a deficient number, since it is larger than the sum of its proper divisors (341702145).

768829797 is a wasteful number, since it uses less digits than its factorization.

768829797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85425539 (or 85425536 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The square root of 768829797 is about 27727.7802393196. The cubic root of 768829797 is about 916.1010949265.

The spelling of 768829797 in words is "seven hundred sixty-eight million, eight hundred twenty-nine thousand, seven hundred ninety-seven".