697132984320 has 768 divisors, whose sum is σ = 2570768928000. Its totient is φ = 179070566400.

The previous prime is 697132984313. The next prime is 697132984321. The reversal of 697132984320 is 23489231796.

697132984320 is a `hidden beast` number, since 6 + 97 + 1 + 32 + 98 + 432 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

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 (697132984321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1008875175 + ... + 1008875865.

It is an arithmetic number, because the mean of its divisors is an integer number (3347355375).

Almost surely, 2^697132984320 is an apocalyptic number.

697132984320 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 697132984320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285384464000).

697132984320 is an abundant number, since it is smaller than the sum of its proper divisors (1873635943680).

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

697132984320 is a wasteful number, since it uses less digits than its factorization.

697132984320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 697132984320 in words is "six hundred ninety-seven billion, one hundred thirty-two million, nine hundred eighty-four thousand, three hundred twenty".