697799655360 has 672 divisors, whose sum is σ = 2552069624832. Its totient is φ = 181428387840.

The previous prime is 697799655347. The next prime is 697799655383. The reversal of 697799655360 is 63556997796.

697799655360 is a `hidden beast` number, since 6 + 9 + 7 + 7 + 9 + 9 + 6 + 553 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 535532469 + ... + 535533771.

It is an arithmetic number, because the mean of its divisors is an integer number (3797722656).

Almost surely, 2^697799655360 is an apocalyptic number.

697799655360 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 697799655360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276034812416).

697799655360 is an abundant number, since it is smaller than the sum of its proper divisors (1854269969472).

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

697799655360 is a wasteful number, since it uses less digits than its factorization.

697799655360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 578680200, while the sum is 72.

The spelling of 697799655360 in words is "six hundred ninety-seven billion, seven hundred ninety-nine million, six hundred fifty-five thousand, three hundred sixty".