697663368 has 80 divisors (see below), whose sum is σ = 1960200000. Its totient is φ = 231829344.

The previous prime is 697663363. The next prime is 697663381. The reversal of 697663368 is 863366796.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (697663363) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 231133 + ... + 234131.

It is an arithmetic number, because the mean of its divisors is an integer number (24502500).

Almost surely, 2^697663368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697663368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980100000).

697663368 is an abundant number, since it is smaller than the sum of its proper divisors (1262536632).

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

697663368 is a wasteful number, since it uses less digits than its factorization.

697663368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3363 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 697663368 is about 26413.3180043704. The cubic root of 697663368 is about 886.9149457042.

The spelling of 697663368 in words is "six hundred ninety-seven million, six hundred sixty-three thousand, three hundred sixty-eight".