696287775456 has 1344 divisors, whose sum is σ = 2715931169280. Its totient is φ = 170514616320.

The previous prime is 696287775451. The next prime is 696287775493. The reversal of 696287775456 is 654577782696.

696287775456 is a `hidden beast` number, since 6 + 9 + 6 + 2 + 8 + 7 + 77 + 545 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696287775451) by changing a digit.

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 223 ways as a sum of consecutive naturals, for example, 2460380691 + ... + 2460380973.

It is an arithmetic number, because the mean of its divisors is an integer number (2020782120).

Almost surely, 2^696287775456 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 696287775456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357965584640).

696287775456 is an abundant number, since it is smaller than the sum of its proper divisors (2019643393824).

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

696287775456 is a wasteful number, since it uses less digits than its factorization.

696287775456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 388 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 72.

The spelling of 696287775456 in words is "six hundred ninety-six billion, two hundred eighty-seven million, seven hundred seventy-five thousand, four hundred fifty-six".