797105687 has 30 divisors (see below), whose sum is σ = 1002116088. Its totient is φ = 630992208.

The previous prime is 797105681. The next prime is 797105713. The reversal of 797105687 is 786501797.

It is not a de Polignac number, because 797105687 - 2¹⁶ = 797040151 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 (797105681) 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 29 ways as a sum of consecutive naturals, for example, 27486389 + ... + 27486417.

Almost surely, 2^797105687 is an apocalyptic number.

797105687 is a deficient number, since it is larger than the sum of its proper divisors (205010401).

797105687 is an frugal number, since it uses more digits than its factorization.

797105687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 50.

The square root of 797105687 is about 28233.0601777420. The cubic root of 797105687 is about 927.1968963296.

The spelling of 797105687 in words is "seven hundred ninety-seven million, one hundred five thousand, six hundred eighty-seven".