697785480 has 192 divisors, whose sum is σ = 2645136000. Its totient is φ = 159465600.

The previous prime is 697785463. The next prime is 697785481. The reversal of 697785480 is 84587796.

697785480 is a `hidden beast` number, since 6 + 97 + 7 + 8 + 548 + 0 = 666.

697785480 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (697785481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120655 + ... + 126305.

It is an arithmetic number, because the mean of its divisors is an integer number (13776750).

Almost surely, 2^697785480 is an apocalyptic number.

697785480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697785480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322568000).

697785480 is an abundant number, since it is smaller than the sum of its proper divisors (1947350520).

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

697785480 is a wasteful number, since it uses less digits than its factorization.

697785480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 697785480 is about 26415.6294643910. The cubic root of 697785480 is about 886.9666882517.

The spelling of 697785480 in words is "six hundred ninety-seven million, seven hundred eighty-five thousand, four hundred eighty".