797739777 has 12 divisors (see below), whose sum is σ = 1152587904. Its totient is φ = 531689400.

The previous prime is 797739769. The next prime is 797739791. The reversal of 797739777 is 777937797.

It is not a de Polignac number, because 797739777 - 2³ = 797739769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (797735777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35608 + ... + 53510.

It is an arithmetic number, because the mean of its divisors is an integer number (96048992).

Almost surely, 2^797739777 is an apocalyptic number.

It is an amenable number.

797739777 is a deficient number, since it is larger than the sum of its proper divisors (354848127).

797739777 is a wasteful number, since it uses less digits than its factorization.

797739777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22860 (or 22857 counting only the distinct ones).

The product of its digits is 28588707, while the sum is 63.

The square root of 797739777 is about 28244.2875109286. The cubic root of 797739777 is about 927.4426899393.

The spelling of 797739777 in words is "seven hundred ninety-seven million, seven hundred thirty-nine thousand, seven hundred seventy-seven".