697642797607 has 8 divisors (see below), whose sum is σ = 797476492800. Its totient is φ = 597851712024.

The previous prime is 697642797589. The next prime is 697642797611. The reversal of 697642797607 is 706797246796.

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

It is not a de Polignac number, because 697642797607 - 2¹¹ = 697642795559 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 (697642797637) 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 7 ways as a sum of consecutive naturals, for example, 10617307 + ... + 10682812.

It is an arithmetic number, because the mean of its divisors is an integer number (99684561600).

Almost surely, 2^697642797607 is an apocalyptic number.

697642797607 is a deficient number, since it is larger than the sum of its proper divisors (99833695193).

697642797607 is a wasteful number, since it uses less digits than its factorization.

697642797607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21304805.

The product of its (nonzero) digits is 336063168, while the sum is 70.

The spelling of 697642797607 in words is "six hundred ninety-seven billion, six hundred forty-two million, seven hundred ninety-seven thousand, six hundred seven".