797687 has 8 divisors (see below), whose sum is σ = 878592. Its totient is φ = 718200.

The previous prime is 797681. The next prime is 797689. The reversal of 797687 is 786797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 797687 - 2¹² = 793591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797681) 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 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 1682.

It is an arithmetic number, because the mean of its divisors is an integer number (109824).

2⁷⁹⁷⁶⁸⁷ is an apocalyptic number.

797687 is a deficient number, since it is larger than the sum of its proper divisors (80905).

797687 is a wasteful number, since it uses less digits than its factorization.

797687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its digits is 148176, while the sum is 44.

The square root of 797687 is about 893.1332487373. The cubic root of 797687 is about 92.7422236853.

The spelling of 797687 in words is "seven hundred ninety-seven thousand, six hundred eighty-seven".