696397284864 has 480 divisors, whose sum is σ = 2173651544064. Its totient is φ = 222336368640.

The previous prime is 696397284841. The next prime is 696397284893. The reversal of 696397284864 is 468482793696.

696397284864 is a `hidden beast` number, since 6 + 96 + 39 + 7 + 28 + 486 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 696397284792 and 696397284801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397259412 + ... + 397261164.

Almost surely, 2^696397284864 is an apocalyptic number.

696397284864 is a gapful number since it is divisible by the number (64) 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 696397284864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086825772032).

696397284864 is an abundant number, since it is smaller than the sum of its proper divisors (1477254259200).

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

696397284864 is a wasteful number, since it uses less digits than its factorization.

696397284864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1892 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 72.

The spelling of 696397284864 in words is "six hundred ninety-six billion, three hundred ninety-seven million, two hundred eighty-four thousand, eight hundred sixty-four".