797428917 has 12 divisors (see below), whose sum is σ = 1212465280. Its totient is φ = 503639208.

The previous prime is 797428901. The next prime is 797428943. The reversal of 797428917 is 719824797.

It is not a de Polignac number, because 797428917 - 2⁴ = 797428901 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 (797428117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2331493 + ... + 2331834.

Almost surely, 2^797428917 is an apocalyptic number.

It is an amenable number.

797428917 is a deficient number, since it is larger than the sum of its proper divisors (415036363).

797428917 is a wasteful number, since it uses less digits than its factorization.

797428917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663352 (or 4663349 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The square root of 797428917 is about 28238.7839150343. The cubic root of 797428917 is about 927.3222069198.

The spelling of 797428917 in words is "seven hundred ninety-seven million, four hundred twenty-eight thousand, nine hundred seventeen".