697991822088240 has 160 divisors (see below), whose sum is σ = 2234002790670336. Its totient is φ = 180161514731520.

The previous prime is 697991822088229. The next prime is 697991822088241. The reversal of 697991822088240 is 42880228199796.

It is a super-2 number, since 2×697991822088240² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (697991822088241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278018542 + ... + 280517901.

Almost surely, 2^{697991822088240} is an apocalyptic number.

697991822088240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

697991822088240 is an abundant number, since it is smaller than the sum of its proper divisors (1536010968582096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697991822088240 is a wasteful number, since it uses less digits than its factorization.

697991822088240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558536627 (or 558536621 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 75.

The spelling of 697991822088240 in words is "six hundred ninety-seven trillion, nine hundred ninety-one billion, eight hundred twenty-two million, eighty-eight thousand, two hundred forty".